ORA-12811

Error: ORA-12811: PARALLEL_MIN_SERVERS must be less than or equal to PARALLEL_MAX_SERVERS, string

Causa: An attempt was made to set the PARALLEL_MIN_SERVERS parameter to a value higher than PARALLEL_MAX_SERVERS.

Acción: Set PARALLEL_MIN_SERVERS to a value less than or equal to PARALLEL_MAX_SERVERS (indicated in the accompanying message) and retry.