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MySQL error code

MySQL error 4081

MySQL server error 4081 is ER_DA_GLOBAL_CONN_LIMIT, reported with SQLSTATE HY000.

Connection closed. Global connection memory limit %llu bytes exceeded. Consumed %llu bytes.
Error4081
NameER_DA_GLOBAL_CONN_LIMIT
SQLSTATEHY000
GroupServer errors

Source: MySQL 8.4 Error Reference