How To Fix M7721 - Posting of diffs. not possible (first perform count for document)

SAP Error Message - Details

• Message type: E = Error

• Message class: M7 - Inventory Management and Physical Inventory

• Message number: 721

• Message text: Posting of diffs. not possible (first perform count for document)

INCLUDE MB_NA_BELEG_ERST_ZAEHLEN
If you want to enter the count results and post the differences
immediately, choose the function "Inventory difference ->
Count/difference".

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M7721 - Posting of diffs. not possible (first perform count for document) ?

  The SAP error message M7721, which states "Posting of diffs. not possible (first perform count for document)," typically occurs in the context of inventory management and material movements. This error indicates that you are trying to post a difference (such as a stock adjustment) for a material document without first performing a physical inventory count for that document.
  Cause:
  
  Missing Physical Inventory Count: The error arises when you attempt to post a difference for a material document that has not been counted. In SAP, before you can post any differences (like adjustments to stock levels), you must first perform a physical inventory count for the relevant materials.
  Incorrect Document Status: The document you are trying to adjust may not be in the correct status to allow for posting differences.
  System Configuration: There may be configuration settings in the SAP system that require a physical inventory count before any adjustments can be made.
  
  Solution:
  To resolve this error, follow these steps:
  
  
  Perform a Physical Inventory Count:
  
  Navigate to the physical inventory transaction (usually through the Inventory Management module).
  Execute a physical inventory count for the relevant materials.
  Ensure that the count is recorded and saved in the system.
  
  
  
  Post the Differences:
  
  After successfully performing the count, you can then proceed to post the differences.
  Use the appropriate transaction (e.g., MI07 for posting differences) to enter the counted quantities and post the adjustments.
  
  
  
  Check Document Status:
  
  Ensure that the document you are trying to adjust is in a status that allows for posting differences. If necessary, check the document flow and status in the system.
  
  
  
  Review Configuration Settings:
  
  If the issue persists, review the configuration settings in the SAP system related to inventory management and physical inventory processes. Consult with your SAP administrator or functional consultant if needed.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MI01 (Create Physical Inventory Document), MI04 (Enter Inventory Count), MI07 (Post Inventory Differences), and MI20 (Display Inventory Document).
  SAP Documentation: Refer to SAP Help documentation for detailed guidance on physical inventory processes and error handling.
  User Authorizations: Ensure that you have the necessary authorizations to perform physical inventory counts and post differences.
  
  By following these steps, you should be able to resolve the M7721 error and successfully post the required inventory adjustments.