Child theme errors
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I have just installed this theme on a new website and when I create a child theme using the popular Child Theme Configurator plugin I see errors in the front and backend, which make it unusable.
I hope you can help solve this problem. Thank you.
This is the error:
Warning: Attempt to read property “source” on null in /removed-for-privacy/wp-content/themes/zeever/inc/class/class-upgrader.php on line 187
Warning: Cannot modify header information – headers already sent by (output started at /removed-for-privacy/wp-content/themes/zeever/inc/class/class-upgrader.php:187) in /removed-for-privacy/wp-admin/includes/misc.php on line 1416
Warning: Cannot modify header information – headers already sent by (output started at /removed-for-privacy/wp-content/themes/zeever/inc/class/class-upgrader.php:187) in /removed-for-privacy/wp-includes/functions.php on line 6865
Warning: Cannot modify header information – headers already sent by (output started at /removed-for-privacy/wp-content/themes/zeever/inc/class/class-upgrader.php:187) in /removed-for-privacy/wp-admin/admin-header.php on line 9
Warning: Cannot modify header information – headers already sent by (output started at /removed-for-privacy/wp-content/themes/zeever/inc/class/class-upgrader.php:187) in /removed-for-privacy/wp-includes/option.php on line 1138
Warning: Cannot modify header information – headers already sent by (output started at /removed-for-privacy/wp-content/themes/zeever/inc/class/class-upgrader.php:187) in /removed-for-privacy/wp-includes/option.php
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