How To Fix WH041 - Value & in the line number field is not numerical

SAP Error Message - Details

• Message type: E = Error

• Message class: WH - Messages for store physical inventory (DRS)

• Message number: 041

• Message text: Value & in the line number field is not numerical

What causes this issue?

The value specified in the field line number of the intermediate
document is not numeric and cannot therefore be analyzed.

System Response

The system ignores the specified value and determines the line
number of the relevant inventory document item itself.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WH041 - Value & in the line number field is not numerical ?

  SAP Error Message:
  
  WH041 - Value & in the line number field is not numerical
  
  Cause:
  This error occurs when a field that expects a numerical value (specifically the "line number" field) contains a non-numeric character or value. In this case, the system encountered a value containing the character "&" in a field that should only have numbers.
  Common scenarios include:
  
  Manual entry of invalid characters in the line number field.
  Data upload or interface programs passing incorrect data.
  Custom code or user exits modifying line number fields incorrectly.
  Copy-paste errors or formatting issues in input screens.
  
  
  Solution:
  
  
  Check the Input Data:
  
  Verify the line number field in the transaction or data input screen.
  Ensure that only numeric values are entered.
  Remove any special characters like "&", letters, or spaces.
  
  
  
  Review Data Uploads or Interfaces:
  
  If the data is coming from an external source (e.g., IDoc, BAPI, batch input), check the source data for invalid characters.
  Correct the data before uploading.
  
  
  
  Debug or Analyze Custom Code:
  
  If custom developments or user exits are involved, debug to see where the line number field is being set.
  Ensure that the line number is assigned a numeric value.
  
  
  
  SAP Notes and Documentation:
  
  Check SAP Notes for any known issues related to message WH041.
  Usually, this is a straightforward data validation error, so no specific SAP patch is required unless it is caused by a bug.
  
  
  
  
  Related Information:
  
  Transaction Codes: The error can appear in various warehouse management transactions (e.g., transfer orders, goods movements).
  Field: The "line number" field is typically a numeric field used to identify line items uniquely.
  Error Message Class: WH (Warehouse Management)
  Typical Transactions: LT01, LT10, VL02N, or custom warehouse management transactions.
  
  
  Summary:
  WH041 indicates that a non-numeric value (like "&") was entered in a field that requires a numeric line number. The fix is to ensure only numeric values are entered or passed to this field, and to correct any data or code that causes invalid characters to appear.
  
  If you provide the exact transaction or scenario where this error occurs, I can help with more specific guidance.