Getting error while creating CDB with PDB : Error while restoring PDB backup piece. got the solution

Getting error while creating CDB with PDB : Error while restoring PDB backup piece. got the solution from oracle support "As a workaround, remove the db_recovery_file_dest while creating the DB and retry the operation.

You can set it later once the DB created."

but how to remove the db_recovery_file_dest with our creating any instance