[NSFW] Trying to remove restrictions but getting errors

hi i am working for my client site, i have disallowed dashboard menu items for employer role, but somehow i had to allow all for testing, but changes are not being revert. it shows error, biggest issue is its still hiding menu/submenu pages after uninstalling this plugin. how to rollback changes please help.

error is about
Varmng: explode() expects parameter 2 to be string: array given in public html/wp-content/plugins/admin-menu-restriction/amr-class.php on line 378

The page I need help with: [log in to see the link]