How To Fix LOP146 - An empty field name was transferred to method &1 of class &2

SAP Error Message - Details

• Message type: E = Error

• Message class: LOP - Logistical contract options

• Message number: 146

• Message text: An empty field name was transferred to method &1 of class &2

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 LOP146 - An empty field name was transferred to method &1 of class &2 ?

  The SAP error message LOP146 indicates that an empty field name was passed to a method in a specific class. This typically occurs in the context of SAP's Logistics Execution (LE) or Warehouse Management (WM) modules, where certain methods expect a valid field name to operate correctly.
  Cause:
  The error is usually caused by one of the following:
  
  Incorrect Data Input: A program or user input is attempting to call a method with an empty or null field name.
  Configuration Issues: There may be a misconfiguration in the system that leads to the generation of an empty field name.
  Coding Errors: If custom code or enhancements are involved, there may be a bug or oversight in the code that fails to provide a valid field name.
  
  Solution:
  To resolve the LOP146 error, you can take the following steps:
  
  
  Check Input Data: Review the data being passed to the method. Ensure that all required fields are populated and that no empty values are being sent.
  
  
  Debugging: If you have access to the ABAP code, you can set breakpoints in the method indicated in the error message. This will allow you to inspect the values being passed to the method and identify where the empty field name is coming from.
  
  
  Review Custom Code: If there are any custom enhancements or modifications in the system, review the code to ensure that it correctly handles field names and does not pass empty values.
  
  
  Configuration Review: Check the configuration settings related to the process or transaction that is generating the error. Ensure that all necessary settings are correctly defined.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal. There may be specific notes addressing this error or providing patches or updates that resolve the issue.
  
  
  Consult Documentation: Review the documentation for the class and method mentioned in the error message to understand the expected parameters and any constraints.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context of the error, you may want to look into transaction codes related to the specific module (e.g., LE, WM).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Support: If the issue persists and you are unable to resolve it, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the root cause of the LOP146 error and implement a solution to resolve it.