The error message you’re encountering indicates an issue related to accessing an array offset on a boolean value in a specific file of the Buddypress plugin. Deactivate other plugins one by one and test the update process to check if the issue is caused by a conflict with another plugin. This will help you identify if a specific plugin is causing the problem. Ensure that your PHP version is compatible with the Buddypress plugin. Check the plugin documentation or support resources for recommended PHP versions.
