The most common and most likely answer to this crossword clue is the 6 letter word MISHAP
I've seen this crossword clue in The Guardian
M
I
S
H
A
P
More clues leading to the result MISHAP
- Unfortunate problem is, hotel is blocking plan
- Is hotel involved in chart error?
- Bad luck to some extent interrupting plan
- In Russia, Michael has parking accident
- Model cut after motorway accident
- One’s quiet about plan’s unhappy outcome
- Accident to an extent interrupting plan
- Reverse right away from acid on motorway
- Accident? Plan to keep one quiet
- One MP has variable ill-fortune
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does MISHAP mean?
MISHAP noun- An accident, mistake, or problem.
- Evil accident; ill luck; misfortune; mischance.
- To happen through misfortune; to mishappen.