Latest Update Broke Plugin

Fatal error: Uncaught Exception: DateTime::__construct(): Failed to parse time string (@) at position 0 (@): Unexpected character in /public_html/wp-content/plugins/advanced-access-manager/application/Migration/2019_06_30-base.php:936 Stack trace: #0 /public_html/wp-content/plugins/advanced-access-manager/application/Migration/2019_06_30-base.php(936): DateTime->__construct('@') #1 /public_html/wp-content/plugins/advanced-access-manager/application/Migration/2019_06_30-base.php(280): AAM\Migration\Migration600->_convertPostObject(Array) #2 /public_html/wp-content/plugins/advanced-access-manager/application/Migration/2019_06_30-base.php(117): AAM\Migration\Migration600->processPostmeta(Array) #3 /public_html/wp-content/plugins/advanced-access-manager/application/Migration/2019_06_30-base.php(1051): AAM\Migration\Migration600->run() #4 /public_html/wp-content/plugins/advanced-access-manager/application/Core/Migration.php(12 in /public_html/wp-content/plugins/advanced-access-manager/application/Migration/2019_06_30-base.php on line 936
There has been a critical error on your website. Please check your site admin email inbox for instructions.

Did update to latest plugin and now the plugin will not work. Re-installed and still the same issue.