TNS-12159: TNS:trace file not writeable
Cause: The trace file to be generated is not writeable by this user.
Action: If the user does not have write permissions in the directory to which the trace file will be written, contact the database administrator to get the proper permissions or use TRACE_DIRECTORY_CLIENT in SQLNET.ORA to specify a directory the user can write to.
TNS-12158: TNS:could not initialize parameter subsystem
Cause: Unable to locate parameter file.
Action: Verify that a valid parameter file exists, and is readable.
TNS-12157: TNS:internal network communication error
Cause: An internal error occurred during network communication. This message is not normally visible to the user.
Action: For further details, turn on tracing and re-execute the operation. If the error persists, contact Oracle Support Services.
TNS-12156: TNS:tried to reset line from incorrect state
Cause: An internal error occurred during break handling. This message is not normally visible to the user.
Action: For further details, turn on tracing and re-execute the operation. If the error persists, contact Oracle Support Services.
TNS-12155: TNS:received bad datatype in NSWMARKER packet
Cause: An internal error occurred during break handling, This message is not normally visible to the user.
Action: For further details, turn on tracing and re-execute the operation. If the error persists, contact Oracle Support Services.
TNS-12154: TNS:could not resolve service name
Cause: The service name specified is not defined correctly in the TNSNAMES.ORA file.
Action: Make the following checks and correct the error: Verify that a TNSNAMES.ORA file exists and is in the proper place and accessible. See the operating system specific manual for details on the required name and location. Check to see that the service name exists in one of the TNSNAMES.ORA files and add it if necessary. Make sure there are no syntax errors anywhere in the file. Particularly look for unmatched parentheses or stray characters. Any error in a TNSNAMES.ORA file makes it unusable. See the Oracle9i Net Services Administrator's Guide. If possible, regenerate the configuration files using the Oracle Network Manager.
TNS-12153: TNS:not connected
Cause: Not currently connected to a remote host.
Action: Re-establish connection.
TNS-12152: TNS:unable to send break message
Cause: Unable to send break message. Connection probably disconnected.
Action: Re-establish connection. If the error is persistent, turn on tracing and re-execute the operation.
TNS-12151: TNS:received bad packet type from network layer
Cause: This is an internal error, not normally visible to the user.
Action: For further details, turn on tracing and re-execute the operation. If the error persists, contact Oracle Support Services.
TNS-12150: TNS:unable to send data
Cause: Unable to send data. Connection probably disconnected.
Action: Re-establish connection. If the error is persistent, turn on tracing and re-execute the operation.