Explanation: Magento requires to run update script.
Execute console command:
Explanation: Extension permissions are not applied.
Solution: Log out and log in again.
Explanation: Extension installation script wasn't triggered
Solution: Please check that you have correct file permissions for newly copied files. Incorrect permissions can block scripts from being executed.
Explanation: Admin role permissions don't allow you access extension functions
Solution: Please check your admin role permissions in System > User Roles and check required resources
Explanation: You may be forcing trailing slash in your .htaccess file and submission data is lost
Solution: Please add the following rule to your .htaccess file: