How To Fix NJIT_O_MSG155 - JIT request to Supplier &1 failed due to communication failure

SAP Error Message - Details

• Message type: E = Error

• Message class: NJIT_O_MSG -

• Message number: 155

• Message text: JIT request to Supplier &1 failed due to communication failure

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message NJIT_O_MSG155 - JIT request to Supplier &1 failed due to communication failure ?

  The SAP error message NJIT_O_MSG155 indicates that there was a communication failure when attempting to send a Just-In-Time (JIT) request to a supplier. This error can occur in various scenarios, particularly in the context of supply chain management and logistics where JIT processes are utilized.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the supplier's system.
  Configuration Errors: Incorrect configuration settings in the JIT interface or communication parameters can lead to failures.
  Supplier System Issues: The supplier's system may be down or experiencing issues that prevent it from receiving or processing the JIT request.
  Authorization Problems: The user or system may lack the necessary permissions to send requests to the supplier.
  Data Format Issues: The data being sent may not conform to the expected format, leading to rejection by the supplier's system.
  Timeouts: The request may be timing out due to long processing times or delays in the supplier's system.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there is a stable network connection between your SAP system and the supplier's system. You can use tools like ping or traceroute to diagnose connectivity issues.
  Review Configuration Settings: Verify the configuration settings for the JIT interface in SAP. Ensure that all parameters are correctly set up according to the supplier's requirements.
  Contact Supplier: Reach out to the supplier to check if their system is operational and if they are experiencing any issues that could affect communication.
  Check Authorizations: Ensure that the user or system has the necessary authorizations to send JIT requests. Review user roles and permissions in SAP.
  Validate Data: Check the data being sent in the JIT request for any inconsistencies or formatting issues. Ensure that it meets the supplier's specifications.
  Increase Timeout Settings: If timeouts are suspected, consider increasing the timeout settings for the communication process.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SM21 (System Log) or SLG1 (Application Log) to check for any related error messages or logs that can provide more context on the failure.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the documentation for the JIT process and the specific integration with the supplier to ensure compliance with all requirements.
  
  If the issue persists after trying the above solutions, it may be beneficial to involve your SAP Basis team or technical support for further investigation.