ORA-06011: NETASY: dialogue too long
Cause: One of two:
1. Dialogue contains more than 24 exchange blocks
2. Dialogue send string exceeds 84 bytes in length
Action: Simplify dialogue or split into two and link with “more” command
ORA-06017: NETASY: message receive failure
Cause: Async driver gets I/O error while doing network read operation
Action: Check log file for OS-specific error code and contact your customer support representative.
ORA-06018: NETASY: message send failure
Cause: Async driver gets I/O error while doing network write operation
Action: Check log file for OS-specific error code and contact your customer support representative.

ORA-06019: NETASY: invalid login (connect) string
Cause: Syntax error in login string.
Action: Resubmit with correct string.
ORA-06020: NETASY: initialisation failure
Cause: Async driver unable to complete initialisation
Action: Check log file for OS-specific error code
ORA-06021: NETASY: connect failed
Cause: Async driver unable to establish connection with partner
Action: Check log file for OS-specific error code

ORA-06022: NETASY: channel open failure
Cause: no free channel [should never happen]
Action: Contact your customer support representative.
ORA-06023: NETASY: port open failure
Cause: Async driver unable to open port
Action: Check log file for OS-specific error code
ORA-06024: NETASY: VTM error
Cause: Virtual Terminal Manager unable to read/write to port
Action: Check log file for OS-specific error code
ORA-06025: NETASY: Configuration error
Cause: Async driver genned for server-only, but client service requested
Action: Contact your customer support representative.

Above are list of Oracle Database Errors or Warnings from Error ORA-06011 to ORA-06025 received while performing certain operation against Oracle Database or related products.

What are Oracle Database Error Messages?

Oracle Error Messages may be returned while using products which are part of Oracle Database.  Each Oracle Database Error or Warning Message mentioned above contains the Warning or Error Message Statement, a short explanation of the probable causes of the Error message, and a recommended action.

Hope this was helpful.

Thanks,
SQLServerF1 Team
Information about Oracle Database Error Messages or Warning Messages on Windows and Linux Operating Systems.