Problem: You have installed WPML and translated your front page, but when trying to open or edit the translated version, you receive a critical error. The error logs indicate an issue with the 'Add Any Extension to Pages' plugin, which is not compatible with WPML. Solution: We recommend deactivating the 'Add Any Extension to Pages' plugin to resolve the critical error. This plugin is not currently on WPML's list of compatible plugins, and its compatibility with WPML cannot be guaranteed. You can check the compatibility of plugins with WPML here. If the issue persists after deactivating the plugin, consider contacting the support team of 'Add Any Extension to Pages' for further assistance. Additionally, you can suggest that they join the Go Global program to make their plugin compatible with WPML. More details about the program can be found here.
If this solution does not apply to your case, or if it seems outdated, we highly recommend checking related known issues here, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. If you still need assistance, please open a new support ticket here.