Can't disable variants:Undefined property Error

Hi,
I get this error when I need to disable a variant . There's no view , or another page template.
Any help with this would be awesome . Thanks.

Drupal:7.60
Panel :7.x-3.9

Notice: Undefined property: stdClass::$table in ctools_export_set_object_status() (line 1104 of /home/useraa/public_html/test-project/sites/all/modules/ctools/includes/export.inc).
Notice: Undefined index: export in ctools_export_set_object_status() (line 1106 of /home/useraa/public_html/test-project/sites/all/modules/ctools/includes/export.inc).
Notice: Undefined property: stdClass::$ in ctools_export_set_object_status() (line 1114 of /home/useraa/public_html/test-project/sites/all/modules/ctools/includes/export.inc).
PDOException: SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'name' cannot be null: INSERT INTO {variable} (name, value) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1); Array ( [:db_insert_placeholder_0] => [:db_insert_placeholder_1] => a:1:{s:0:"";b:1;} ) in variable_set() (line 1245 of /home/useraa/public_html/test-project/includes/bootstrap.inc).