Can’t upload Demo Content from “Positive Theme”

I’ve been trying to upload the demo content from the Positive Theme (using unyson, as required), but I keep getting the following errors:

[19-Feb-2018 01:30:59 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:30:59 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:31:43 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:31:43 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:32:12 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:32:12 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:32:18 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:32:18 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:33:06 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:33:06 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:33:13 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:33:13 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:34:26 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:34:26 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:34:41 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:34:41 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:35:07 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:35:07 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:35:31 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:35:31 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:36:13 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:36:13 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:36:23 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:36:23 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:37:09 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:37:09 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:37:15 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:37:15 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:38:18 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:38:18 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:38:23 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:38:23 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:39:10 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:39:10 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:39:23 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:39:23 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:40:05 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 01:40:05 UTC] PHP Notice:  Undefined index: HTTP_USER_AGENT in /home/f41j9y18/public_html/wp-content/plugins/cmp-coming-soon-maintenance/niteo-cmp.php on line 1150
[19-Feb-2018 02:09:11 UTC] PHP Warning:  call_user_func_array() expects parameter 1 to be a valid callback, function 'cmp_plugin_delete' not found or invalid function name in /home/f41j9y18/public_html/wp-includes/class-wp-hook.php on line 286
[19-Feb-2018 02:27:38 UTC] PHP Notice:  Undefined index: tabs in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/tabs/views/view.php on line 18
[19-Feb-2018 02:27:38 UTC] PHP Warning:  Invalid argument supplied for foreach() in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/tabs/views/view.php on line 18
[19-Feb-2018 02:27:39 UTC] PHP Notice:  Undefined index: message in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 9
[19-Feb-2018 02:27:39 UTC] PHP Notice:  Undefined index: button_link in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 12
[19-Feb-2018 02:27:39 UTC] PHP Notice:  Undefined index: button_target in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 12
[19-Feb-2018 02:27:39 UTC] PHP Notice:  Undefined index: button_label in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 13
[19-Feb-2018 02:28:16 UTC] PHP Notice:  Undefined index: tabs in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/tabs/views/view.php on line 18
[19-Feb-2018 02:28:16 UTC] PHP Warning:  Invalid argument supplied for foreach() in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/tabs/views/view.php on line 18
[19-Feb-2018 02:28:16 UTC] PHP Notice:  Undefined index: message in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 9
[19-Feb-2018 02:28:16 UTC] PHP Notice:  Undefined index: button_link in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 12
[19-Feb-2018 02:28:16 UTC] PHP Notice:  Undefined index: button_target in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 12
[19-Feb-2018 02:28:16 UTC] PHP Notice:  Undefined index: button_label in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 13
[19-Feb-2018 02:28:17 UTC] PHP Notice:  Undefined index: tabs in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/tabs/views/view.php on line 18
[19-Feb-2018 02:28:17 UTC] PHP Warning:  Invalid argument supplied for foreach() in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/tabs/views/view.php on line 18
[19-Feb-2018 02:28:17 UTC] PHP Notice:  Undefined index: message in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 9
[19-Feb-2018 02:28:17 UTC] PHP Notice:  Undefined index: button_link in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 12
[19-Feb-2018 02:28:17 UTC] PHP Notice:  Undefined index: button_target in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 12
[19-Feb-2018 02:28:17 UTC] PHP Notice:  Undefined index: button_label in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 13
[19-Feb-2018 02:28:20 UTC] PHP Notice:  Undefined index: tabs in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/tabs/views/view.php on line 18
[19-Feb-2018 02:28:20 UTC] PHP Warning:  Invalid argument supplied for foreach() in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/tabs/views/view.php on line 18
[19-Feb-2018 02:28:20 UTC] PHP Notice:  Undefined index: message in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 9
[19-Feb-2018 02:28:20 UTC] PHP Notice:  Undefined index: button_link in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 12
[19-Feb-2018 02:28:20 UTC] PHP Notice:  Undefined index: button_target in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 12
[19-Feb-2018 02:28:20 UTC] PHP Notice:  Undefined index: button_label in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 13
[19-Feb-2018 02:30:52 UTC] PHP Notice:  Undefined index: tabs in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/tabs/views/view.php on line 18
[19-Feb-2018 02:30:52 UTC] PHP Warning:  Invalid argument supplied for foreach() in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/tabs/views/view.php on line 18
[19-Feb-2018 02:30:52 UTC] PHP Notice:  Undefined index: message in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 9
[19-Feb-2018 02:30:52 UTC] PHP Notice:  Undefined index: button_link in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 12
[19-Feb-2018 02:30:52 UTC] PHP Notice:  Undefined index: button_target in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 12
[19-Feb-2018 02:30:52 UTC] PHP Notice:  Undefined index: button_label in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 13
[19-Feb-2018 02:30:52 UTC] PHP Notice:  Undefined index: tabs in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/tabs/views/view.php on line 18
[19-Feb-2018 02:30:52 UTC] PHP Warning:  Invalid argument supplied for foreach() in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/tabs/views/view.php on line 18
[19-Feb-2018 02:30:52 UTC] PHP Notice:  Undefined index: message in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 9
[19-Feb-2018 02:30:52 UTC] PHP Notice:  Undefined index: button_link in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 12
[19-Feb-2018 02:30:52 UTC] PHP Notice:  Undefined index: button_target in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 12
[19-Feb-2018 02:30:52 UTC] PHP Notice:  Undefined index: button_label in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 13
[19-Feb-2018 02:31:21 UTC] PHP Notice:  Undefined index: tabs in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/tabs/views/view.php on line 18
[19-Feb-2018 02:31:21 UTC] PHP Warning:  Invalid argument supplied for foreach() in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/tabs/views/view.php on line 18
[19-Feb-2018 02:31:21 UTC] PHP Notice:  Undefined index: message in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 9
[19-Feb-2018 02:31:21 UTC] PHP Notice:  Undefined index: button_link in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 12
[19-Feb-2018 02:31:21 UTC] PHP Notice:  Undefined index: button_target in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 12
[19-Feb-2018 02:31:21 UTC] PHP Notice:  Undefined index: button_label in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 13
[19-Feb-2018 02:31:57 UTC] PHP Notice:  Undefined index: tabs in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/tabs/views/view.php on line 18
[19-Feb-2018 02:31:57 UTC] PHP Warning:  Invalid argument supplied for foreach() in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/tabs/views/view.php on line 18
[19-Feb-2018 02:31:57 UTC] PHP Notice:  Undefined index: message in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 9
[19-Feb-2018 02:31:57 UTC] PHP Notice:  Undefined index: button_link in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 12
[19-Feb-2018 02:31:57 UTC] PHP Notice:  Undefined index: button_target in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 12
[19-Feb-2018 02:31:57 UTC] PHP Notice:  Undefined index: button_label in /home/f41j9y18/public_html/wp-content/plugins/unyson/framework/extensions/shortcodes/shortcodes/call-to-action/views/view.php on line 13

Please help!

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