SAP CPIC error codes

Error Code Error Text Error Analysis
221 CPIC_ERROR Internal CPI-C error
222 CANT_GET_MEMORY Memory bottle neck, because either the shared memory blocks or the main memory is too low.
223 NI_READ_FAILED Network read error, network problems, or partner has terminated
224 NI_WRITE_FAILED Network write error, network problems, or partner has terminated
225 INVALID_REQUEST Unknown request type in APPC header
228 SHM_READ_FAILED No longer used
229 SHM_WRITE_FAILED Attempt to write to the index area of the gateway failed
230 CONN_EXCEEDED Maximum number of connections in the gateway has been reached Increase value of parameter gw/max_conn
233 WRONG_COMM_TYPE Unknown connection type Permitted types are only:

I for internal connections, partner is in R/3

E for external connections, external partner

E for external connections, partner is registered

C for external connections, partner is in R/2

234 CONNECT_FAILED Attempt to open connection to gateway failed. Check the host name and service. If these are correct, check whether the gateway is actually running and is listening to the correct port. Your own host name(s) and the ports the gateway listen to are in the first lines of the trace file (dev_rd).
235 COMM_TABLE_ERROR Error in the administration structure that the gateway shares with the SAP System (communication table).
236 GW_CONNECT_FAILED See CONNECT_FAILED
237 GW_DISCONNECTED Connection to the gateway has been closed (CPIC-SS ), or the gateway should open a connection to a different gateway, and an earlier attempt had already failed. If the connection to another gateway fails, the next attempt is not until 60 seconds later. If connection requests arrive at this gateway during this time, they are rejected and assigned this error status.
238 WRITE_TO_GW_FAILED Network write error, network problems, or the remote gateway has been closed.
239 READ_FROM_GW_FAILED Network read error, network problems, or the remote gateway has been closed.
240 INVALID_LEN Destination length is longer than an APPC request block; or the length of the data packet is shorter than the length of the APPC header.
242 GW_TIMEOUT Connection setup to the remote gateway has been closed because timeout has been exceeded. The time limit can be set in parametergw/timeout.
244 SYSTEM_DISCONNECTED The connection to the partner has already been closed, yet the system is still attempting to connect to the partner.
245 MEM_OVERFLOW The overflow area can no longer store the data. If a partner sends data much quicker than the partner can receive it, the data is stored temporarily in the overflow area. The size of the area is set in the parameter gw/max_overflow_size. The memory is for local processes. The default is 1 MByte and you can increase this as appropriate.
246 WRONG_APPCHDR_VERSION The protocol header exchanged between gateways and CPIC/RFC clients contains an invalid version number.
247 GW_APPC_SERVER_DOWN The data could not be sent from the SAP System to the gateway. Check that the gateway is running.
248 TXCOM_TABLE_FAILED Entry in table TXCOM was not found or there is a problem with the database table itself. Check that the symbolic destination exists (transaction SM54).
249 COMM_TABLE_OVERFLOW The communication table is full. The size of the table or the number of entries is set in the parameter rdisp/max_comm_entries. The value should be at least as big as the value of parameter gw/max_conn.
450 C_NO_MEM Request for memory unsuccessful.
451 C_NO_SIDE_INFO Side info file could not be found. If the environment variable SIDE_INFO is not defined, the file sideinfo is searched for in the current directory.
455 C_SIGNAL The signal SIGALRM could not be set.
456 C_TIMEOUT Timeout reached when allocating an SNA connection. The timeout can be set in the environment variable CPIC_TIMEOUT.
472 C_NO_SIDE_INFO_ENTRY Side info entry could not be found.
473 C_NO_CONV Conversation ID could not be found.
474 C_MANUAL_CANCELD The connection has been terminated manually (for example, by the system administrator).
476 C_NO_PARTNER The connection partner could not be assigned.
485 C_GETHOSTNAME The local host name could not be determined.
486 C_NO_SAP_CMACCP SAP_CMACCP call is missing. This call must be the first call made in a CPIC program that is to be stated from a different program.
487 C_NO_PROGRAM_NAME_ARG The local program name could not be found in the argument list. Check that all arguments have been passed to the program.
488 C_NO_HOST_ARG The gateway host name could not be found in the argument list. Check that all arguments have been passed to the program.
489 C_NO_SERV_ARG The gateway service could not be found in the argument list. Check that all arguments have been passed to the program.
490 C_NO_CONVID_ARG The conversation ID could not be found in the argument list. Check that all arguments have been passed to the program.
491 C_ILLEGAL_PARAMETER A CPIC call has been made incorrectly, look out for further error messages.
497 C_NIHOSTTOADDR The resolution of the IP address from the host name has failed.
498 C_NIADDRTOHOST The resolution of the host name from the IP address has failed.
499 C_THOST_FAILED The conversion of the short host name to the long host name from table THOST has failed.
635 FORK_FAILED Local program could not be started. Possible causes of the error are:

Program is not available.

Program is not allowed to be executed.

Program is not in the search path.

636 BAD_NI_HANDLE An invalid handle has been passed to the network layer.
637 REXEC_FAILED Remote program could not be started using rexec(). Possible causes of the error are:

User does not exist on the remote host.

Password of user is incorrect.

The gateway host is not entered in the .rhosts file.

Program is not available.

Program is not allowed to be executed.

Program is not in the search path.

638 TP_START_FAILED Remote program could not be started using remsh(). Possible causes of the error are:

ID does not exist on the remote host.

The gateway host is not entered in the .rhosts file.

Program is not available.

Program is not allowed to be executed.

Program is not in the search path.

676 GW_SECURITY_ERROR Program is not allowed to be started. File secinfo defines who is allowed to start which programs.
677 GW_TIMEOUT_REG_PRGM Timeout while waiting for a registered program to become free. The registered program was being used by a different partner the whole time. Try starting the registered program in parallel or by minimizing the time the program can be used for.
678 TP_REGISTERED Transaction program is registered.
679 TP_NOTREGISTERED Transaction program is not registered.
720 TP_REG_SECU_ERROR Program is not allowed to be registered. File secinfo defines which programs on which hosts are allowed to be registered.
721 GW_SNC_DISABLED A client wants to communicate using SNC, but SNC is deactivated in the gateway. Whether the gateway can communicate using SNC is defined in the parameter snc/enable.
722 GW_SNC_REQUIRED A client want to communicate without SNC, but SNC is defined as obligatory for all connections.
728 CONV_ID_NOT_FOUND Conversation ID could not be found.
731 GW_SHUTDOWN Gateway is being shutdown. This return code is sent to all open connections.
732 GW_REM_PRGM_DISABLED Remote programs are not allowed to be started. This is defined in parameter gw/rem_start.
737 GW_CONNECT_TIMEOUT Timeout while setting up connection to a remote gateway. The gateway interrupts the action and continues it later, as soon as data can be written and read again on the network channel (socket).
738 GW_REQ_TO_DP_FAILED The gateway could not put the request into the dispatcher queue.  Probably the number of requests that can be waiting in the queue at any one time has been exceeded. 
760 C_NO_SIDE_INFO_GW No Side Information File exists for the gateway.
765 C_SNC_DISABLED A client wants to communicate using SNC, but SNC is deactivated.
766 C_SNC_ERROR General SNC error - more details in the error info.
767 C_SNC_MODE_ON A client want to communicate without SNC, but SNC is defined as obligatory for these connections.
768 C_SNC_NOT_AVAILABLE SNC is not available.
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