How To Fix /SCWM/UI104 - System error: handling unit &1 could not be read

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/UI -

• Message number: 104

• Message text: System error: handling unit &1 could not be read

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/UI104 - System error: handling unit &1 could not be read ?

  The SAP error message /SCWM/UI104 System error: handling unit &1 could not be read typically indicates that the system is unable to retrieve information about a specific handling unit (HU) identified by the placeholder &1. This error can occur for various reasons, and understanding the cause is essential for finding a solution.
  Possible Causes:
  
  Handling Unit Does Not Exist: The specified handling unit may not exist in the system, possibly due to deletion or incorrect entry.
  Authorization Issues: The user may not have the necessary authorizations to access the handling unit data.
  Data Inconsistency: There may be inconsistencies in the database, such as missing or corrupted records related to the handling unit.
  System Configuration Issues: There could be configuration issues in the SAP system that prevent the handling unit from being accessed.
  Buffer Issues: Sometimes, the system buffer may not be updated, leading to discrepancies in data retrieval.
  
  Solutions:
  
  
  Verify Handling Unit Existence:
  
  Check if the handling unit exists in the system. You can do this by using transaction codes like /SCWM/HU or /SCWM/PR to search for the handling unit.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access handling unit data. This can be checked with the help of your SAP security team.
  
  
  
  Data Consistency Check:
  
  Run consistency checks on the handling unit data. You can use transaction codes like /SCWM/CHK to identify and resolve any inconsistencies.
  
  
  
  Review System Logs:
  
  Check the system logs (transaction code SLG1) for any additional error messages or warnings that might provide more context about the issue.
  
  
  
  Clear Buffer:
  
  If you suspect a buffer issue, you can try to clear the buffer. This can be done by using transaction code SM12 to delete any locks or SM21 to check the system log for errors.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance. Provide them with the error message details and any relevant logs.
  
  
  
  Related Information:
  
  Handling Units in SAP EWM: Understanding how handling units work in SAP Extended Warehouse Management (EWM) can help in troubleshooting. Handling units are used to manage physical inventory and logistics processes.
  Transaction Codes: Familiarize yourself with relevant transaction codes for handling units, such as /SCWM/HU, /SCWM/PR, and /SCWM/ORD.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide specific fixes or patches.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.