Ajax in plugin settings page returns 400 Bad Request

damn it! I just found it… my JS says action: 'bblm_result' but my PHP function is looking for wp_ajax_bblm_results … there go my 3hours of searching

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)