[Typo3] duplicate entry

[ben van 't ende [netcreators]]

Hi,

I have this error on a site:

Duplicate entry '147531' for key 1

I tried to troubleshoot it, but couldn't find a good answer. It has 
probably got something to do with a new MySQL version, because this 
error seems to be there after we moved to Debian on our production 
machine. Fortunately it happens only on one particular site.

gRTZ

ben
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