The most common and most likely answer to this crossword clue is the 5 letter word ALLOT
I've seen this crossword clue in The Times
A
L
L
O
T
More clues leading to the result ALLOT
- Distribute vote to oust leader
- Tax returns holding up a grant
- Assign many, about 50
- Dispense with vote that's been defaced?
- Issue of voting system abandoned by British
- Assign full set of religious texts?
- Set aside first of logs in piles
- Missing first vote for grant
- Distribute a complete set of religious books
- Share out a fee for passage on the way back
Buddy explains!

The straight part
We know that "Issue" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case issue = allot.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 ALLOT mean?
ALLOT verb- To distribute or apportion by (or as if by) lot.
- To assign or designate as a task or for a purpose.