Grounds for an apology

1. Military slang for a blunder or mistake
2. An acronym for a disastrous situation
3. Another term for a mess or debacle
4. Something that goes wrong unexpectedly and causes major problems
5. A word that describes a foul-up or snarl-up
6. A mistake or mix-up that causes embarrassment or trouble
7. A situation that results from a chain of errors or miscommunications
8. A phrase that implies an unexpected and regrettable situation.