I get this errors everytime visit the admin page :
Function register_rest_route was called incorrectly. The REST API route definition for wplms/v2/Course is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. (This message was added in version 5.5.0.)+
register_rest_route()
Plugin: wplms_pluginFunction register_rest_route was called incorrectly. The REST API route definition for wplms/v2/Course/free_units is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. (This message was added in version 5.5.0.)+
register_rest_route()
Plugin: wplms_pluginFunction register_rest_route was called incorrectly. The REST API route definition for wplms/v2/Course/free-unit/(?Pd+)? is missing the required permission_callback argument. For REST API routes that are intended to be public, use __return_true as the permission callback. (This message was added in version 5.5.0.)