Hi Previously i had an unsolved problem in wpml . I'm unable to assign a role to myself. my last ticket was about this issue. but i didn't find the help. I'm getting an error in translation roles tab.
I would like to request temporary access (wp-admin and FTP) to your site to test the issue.
(preferably to a test site where the problem has been replicated if possible)
**Before we proceed It is necessary to take FULL BACKUP of your database and your website. Providing us with access, you agree that a backup has been taken **
I often use the Duplicator plugin for this purpose: http://wordpress.org/plugins/duplicator/
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NOTE: If access to the live site is not possible and the staging site does not exist please provide me with a duplicator package created with the duplicator plugin.
Once I enabled error logging I was able to find the following error that points to the issue.
PHP Fatal error: Uncaught TypeError: Argument 1 passed to WPML_WP_Roles::get_highest_level() must be of the type array, null given, called in /Applications/MAMP/htdocs/j/wp-content/plugins/sitepress-multilingual-cms/classes/wpml-wp/class-wpml-wp-roles.php on line 94 and defined in /Applications/MAMP/htdocs/j/wp-content/plugins/sitepress-multilingual-cms/classes/wpml-wp/class-wpml-wp-roles.php:56
There are custom roles on your site and 2 of them have no capabilities which in turn causing the blank page and the error 500.
1.Install the plugin https://wordpress.org/plugins/user-roles-and-capabilities/
2. Go to Users->Roles & Capabilities
3. Locate the roles with no capabilities and either delete them or at minimum give them 1 capability, testing locally it was group leader and shop owner pro.
Then go back to WPML->Translation Management and finalize the config screen
