How To Fix BT335 - Internal communication error checking the external command

SAP Error Message - Details

• Message type: E = Error

• Message class: BT - Background processing messages

• Message number: 335

• Message text: Internal communication error checking the external command

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message BT335 - Internal communication error checking the external command ?

  The SAP error message BT335, which indicates an "Internal communication error checking the external command," typically arises when there is a problem with the communication between the SAP system and an external command or program. This can occur in various scenarios, such as when executing external scripts, commands, or when interfacing with external systems.
  Causes:
  
  Network Issues: Problems with network connectivity can prevent the SAP system from communicating with external commands or systems.
  Configuration Errors: Incorrect configuration settings in the SAP system or the external command can lead to communication failures.
  Authorization Issues: The user executing the command may not have the necessary permissions to run the external command.
  Command Path Issues: The path to the external command may be incorrect or the command may not be available on the server.
  Resource Limitations: The server may be running low on resources (CPU, memory) which can affect the execution of external commands.
  SAP Kernel Issues: Bugs or issues in the SAP kernel version being used can also lead to this error.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the SAP system can reach the external command or system. Test the network connection and resolve any issues.
  Verify Configuration: Review the configuration settings for the external command in the SAP system. Ensure that all parameters are set correctly.
  Check Authorizations: Ensure that the user executing the command has the necessary authorizations to run the external command.
  Validate Command Path: Confirm that the external command is correctly installed and that the path specified in the SAP configuration is accurate.
  Monitor System Resources: Check the server's resource usage and ensure that there are sufficient resources available for executing external commands.
  Update SAP Kernel: If the issue persists, consider updating the SAP kernel to the latest version, as it may contain fixes for known bugs.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to error BT335. SAP frequently publishes notes that provide solutions or workarounds for specific error messages.
  Transaction Codes: Use transaction codes like SM21 (System Log) and ST22 (Dump Analysis) to gather more information about the error and its context.
  Logs: Review the application logs and system logs for any additional error messages or warnings that may provide more context about the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.