How To Fix /SCWM/JIT018 - Reading from the buffer is only allowed for direct access using JIT keys

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/JIT -

• Message number: 018

• Message text: Reading from the buffer is only allowed for direct access using JIT keys

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/JIT018 - Reading from the buffer is only allowed for direct access using JIT keys ?

  The SAP error message /SCWM/JIT018 typically occurs in the context of the SAP Extended Warehouse Management (EWM) system, particularly when dealing with Just-In-Time (JIT) processes. This error indicates that there is an issue with reading data from the buffer, which is only permitted when using direct access with JIT keys.
  Cause:
  The error can be caused by several factors, including:
  
  Incorrect Access Method: The system is trying to read from a buffer using an incorrect method that does not utilize the required JIT keys.
  Buffer Configuration Issues: There may be a misconfiguration in the buffer settings or the JIT process setup.
  Data Integrity Issues: There could be inconsistencies or issues with the data being accessed, such as missing or incorrect JIT keys.
  Authorization Issues: The user may not have the necessary permissions to access the buffer data in the required manner.
  
  Solution:
  To resolve the error, consider the following steps:
  
  
  Check JIT Key Usage: Ensure that the process is using the correct JIT keys for accessing the buffer. Review the configuration and ensure that the keys are properly defined and utilized.
  
  
  Review Buffer Configuration: Verify the configuration settings for the buffer in the EWM system. Ensure that the buffer is set up correctly for JIT processes.
  
  
  Data Validation: Check the data integrity in the system. Ensure that all necessary data is present and correctly formatted. Look for any missing or incorrect entries related to JIT keys.
  
  
  Authorization Check: Ensure that the user executing the process has the necessary authorizations to access the buffer data. Review user roles and permissions.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of EWM you are using. There may be specific guidelines or patches available for this error.
  
  
  Debugging: If the issue persists, consider enabling debugging to trace the exact point of failure. This can provide more insight into what is causing the error.
  
  
  SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  EWM Documentation: Review the official SAP EWM documentation for best practices and configuration guidelines related to JIT processes.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the cause of the /SCWM/JIT018 error in your SAP EWM system.