TNS-02501: Authentication: no more roles
TNS-02502: Authentication: unable to find initialization function
TNS-02503: Parameter retrieval failed
TNS-02504: Parameter count retrieval failed
TNS-02505: Authentication: null context pointer provided
TNS-02506: Authentication: no type string
TNS-02507: Encryption: algorithm not installed
TNS-02508: Encryption: server negotiation response in error
TNS-02509: Authentication: invalid process state
TNS-02510: Invalid numeric data type
TNS-02512: Invalid status received
TNS-02513: Requested data type does not match retrieved type
TNS-02514: Invalid packet received
TNS-02515: Encryption/crypto-checksumming: unknown control type
TNS-02517: key smaller than requested size
TNS-02518: key negotiation error
TNS-02519: no appropriate key-negotiation parameters
TNS-02520: encryption/crypto-checksumming: no Diffie-Hellman seed
TNS-02521: encryption/crypto-checksumming: Diffie-Hellman seed too small
TNS-02524: Authentication: privilege check failed
TNS-02525: encryption/crypto-checksumming: self test failed
TNS-02526: server proxy type does not match client type