Oracle Error ORA-01535: rollback segment ‘string’ already exists or given name has prefix _SYSSMU

Oracle Error Message

ORA-01535: rollback segment ‘string’ already exists or given name has prefix _SYSSMU

Reason for the Error

Specified rollback segment already exists or given name starts with _SYSSMU.

Solution

Use a different name. Note that _SYSSMU is an illegal prefix to an RBU segment.