Mysql internal error

[Astraroth]

Hello friends of Emucoach, I have a problem that I show you in the next image,which makes me to disconnect, I would like to know how to fix it.


Error :

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[DrkJstr]

did you change anything before the error? or is this a fresh compile?

Did you recently do something with character_skills? that is the only table I am familiar with that uses 'max'