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MySQL error code

MySQL error 3995

MySQL server error 3995 is ER_CHARACTER_SET_MISMATCH, reported with SQLSTATE HY000.

Character set '%s' cannot be used in conjunction with '%s' in call to %s.
Error3995
NameER_CHARACTER_SET_MISMATCH
SQLSTATEHY000
GroupServer errors

Source: MySQL 8.4 Error Reference