Hello,
In backend if the question is unpublished then it cannot be deleted with the following error message:

1690 BIGINT UNSIGNED value is out of range in '(`herbalnc_sg`.`p4jli_answers_categories`.`questions` - 1)' SQL=update p4jli_answers_categories set questions = questions - 1 where id in (select catid from p4jli_answers_questions where id in (1) )