How To Fix WP611 - Quantity not numeric: material &, store &, quantity &

SAP Error Message - Details

• Message type: E = Error

• Message class: WP - Messages from POS interface

• Message number: 611

• Message text: Quantity not numeric: material &, store &, quantity &

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WP611 - Quantity not numeric: material &, store &, quantity & ?

  The SAP error message:
  WP611 Quantity not numeric: material &, store &, quantity &
  
  Meaning / 
  Cause:
  This error occurs when a quantity field related to a material and storage location is expected to be numeric but contains non-numeric characters or is blank. The system tries to process a quantity value (e.g., during goods movement, inventory posting, or production order confirmation), but the input is invalid because it is not a proper number.
  Typical scenarios include:
  
  Manual entry of quantity with invalid characters (letters, special characters).
  Data upload or interface sending incorrect quantity format.
  User input error in transaction screens related to inventory or production.
  Custom programs or user exits passing incorrect quantity values.
  
  
  Where it occurs:
  
  Inventory management transactions (e.g., MIGO, MB1A, MB1B).
  Production order confirmations (CO11N).
  Material document postings.
  Batch input or data migration sessions.
  Custom developments or interfaces involving quantity fields.
  
  
  
  Solution:
  
  
  Check the input quantity:
  
  Verify that the quantity entered is numeric and formatted correctly (no letters, no commas if not allowed, decimal