Error 1062 in DLE for key '1'?

Question

MySQL

When parsing news through a module in DLE, I got an error: Error 1062
The Error returned was:
Duplicate entry '663' for key 1
SQL query:
INSERT INTO dle_images (images, author, news_id, date) values ​​('path to image here' )

Answer 1

I solved the problem with a backup, I did not find another solution.

Answer 2

well, you're trying to insert something that violates the unique or primary index on the table.