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MySQL error code

MySQL error 3963

MySQL server error 3963 is ER_WARN_DEPRECATED_VALUES_FUNCTION_ALWAYS_NULL, reported with SQLSTATE HY000.

The VALUES function is deprecated and will be removed in a future release. It always returns NULL in this context. If you meant to access a value from the VALUES clause of the INSERT statement, consider using an alias (INSERT INTO ... VALUES (...) AS alias) and reference alias.col instead of VALUES(col) in the ON DUPLICATE KEY UPDATE clause.
Error3963
NameER_WARN_DEPRECATED_VALUES_FUNCTION_ALWAYS_NULL
SQLSTATEHY000
GroupServer errors

Source: MySQL 8.4 Error Reference