MySQL error code

MySQL error 3956

MySQL server error 3956 is ER_WARN_DEPRECATED_YEAR_UNSIGNED, reported with SQLSTATE HY000.

UNSIGNED for the YEAR data type is deprecated and support for it will be removed in a future release.

Error	3956
Name	ER_WARN_DEPRECATED_YEAR_UNSIGNED
SQLSTATE	HY000
Group	Server errors