How To Fix /SCWM/HUGENERAL157 - Input parameters are initial. Cannot read any HUs

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/HUGENERAL -

• Message number: 157

• Message text: Input parameters are initial. Cannot read any HUs

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/HUGENERAL157 - Input parameters are initial. Cannot read any HUs ?

  The SAP error message /SCWM/HUGENERAL157 Input parameters are initial. Cannot read any HUs typically occurs in the context of handling units (HUs) in the SAP Extended Warehouse Management (EWM) module. This error indicates that the system is unable to read any handling units because the input parameters provided are either missing or not properly defined.
  Cause:
  
  
  Missing Input Parameters: The error usually arises when the function or transaction that is trying to read handling units does not receive the necessary input parameters. This could be due to:
  
  The user did not enter any handling unit numbers.
  The input fields are left blank or are not filled out correctly.
  The parameters required for the function are not being passed correctly from the calling program or transaction.
  
  
  
  Incorrect Configuration: There may be issues with the configuration of handling units in the system, which could lead to the inability to read them.
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the handling units.
  
  
  Solution:
  
  
  Check Input Parameters: Ensure that all required input fields are filled out correctly. If you are using a transaction or program that requires specific parameters, make sure they are provided.
  
  
  Review Transaction or Program Logic: If you are calling a function module or a transaction programmatically, ensure that you are passing the correct parameters. Debugging the code may help identify where the parameters are not being set.
  
  
  Verify Handling Unit Configuration: Check the configuration settings for handling units in the EWM system. Ensure that the handling units are properly defined and that there are no inconsistencies.
  
  
  User Authorizations: Verify that the user has the necessary authorizations to access and read handling units. This can be checked in the user roles and authorizations assigned to the user.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for more specific guidance related to the transaction or function you are using.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights based on the specific version of SAP EWM you are using.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide patches or updates.
  Transaction Codes: Familiarize yourself with relevant transaction codes in EWM that deal with handling units, such as /SCWM/HU for handling unit management.
  EWM Documentation: Review the SAP EWM documentation for best practices on handling units and troubleshooting common issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.