Error: mdb->get_record() found more than one record!

line 1690 of /lib/dml/moodle_database.php: call to debugging()
line 1650 of /lib/dml/moodle_database.php: call to moodle_database->get_record_sql()
line 1629 of /lib/dml/moodle_database.php: call to moodle_database->get_record_select()
line 47 of /local/appcursos/academies.php: call to moodle_database->get_record()
line 184 of /local/appcursos/academies.php: call to weduko_get_course_ownerid()
line 359 of /local/appcursos/academies.php: call to weduko_count_visible_academies_for_category()