How To Fix MR045 - Not possible to break down special stock lines

SAP Error Message - Details

• Message type: E = Error

• Message class: MR - Stock overview for generic materials

• Message number: 045

• Message text: Not possible to break down special stock lines

What causes this issue?

You cannot break down stock lines containing special stocks since
special stock data cannot be displayed in greater detail.

System Response

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

How to fix this error?

Position the cursor on a stock line for an organizational level.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MR045 - Not possible to break down special stock lines ?

  The SAP error message MR045 ("Not possible to break down special stock lines") typically occurs in the context of inventory management and procurement processes, particularly when dealing with special stock types such as consignment stock, project stock, or stock in transit. This error indicates that the system is unable to break down or process special stock lines for a particular transaction, often during the invoice verification or goods receipt process.
  Causes of MR045
  
  
  Special Stock Type: The line item in question is associated with a special stock type that cannot be broken down. For example, consignment stock or project stock may have specific handling rules that prevent breakdown.
  
  
  Incomplete Data: There may be missing or incorrect data in the material master or stock information that prevents the system from processing the special stock line.
  
  
  Configuration Issues: The configuration settings in the SAP system for handling special stocks may not be set up correctly, leading to this error.
  
  
  Document Type Restrictions: Certain document types may not allow for the breakdown of special stock lines, depending on the business process and configuration.
  
  
  Stock Availability: The system may not find sufficient stock available for the breakdown operation, especially if the stock is reserved for specific purposes.
  
  
  Solutions to MR045
  
  
  Check Stock Type: Verify the stock type of the line item causing the error. If it is a special stock type, ensure that the transaction you are trying to perform is valid for that stock type.
  
  
  Review Material Master Data: Check the material master data for the item in question. Ensure that all necessary fields are filled out correctly and that the stock type is configured properly.
  
  
  Configuration Review: Consult with your SAP configuration team to review the settings related to special stock handling. Ensure that the system is configured to allow breakdowns where appropriate.
  
  
  Transaction Type Validation: Ensure that the transaction type you are using supports the breakdown of special stock lines. If not, consider using a different transaction type or process.
  
  
  Check Stock Availability: Confirm that there is sufficient stock available for the operation you are trying to perform. If stock is reserved or allocated elsewhere, it may not be available for breakdown.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that resolve known issues.
  
  
  Testing in a Sandbox: If possible, replicate the issue in a sandbox environment to better understand the conditions that lead to the error. This can help in troubleshooting and finding a solution.
  
  
  Related Information
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on special stock handling and the specific transaction codes involved.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Training and Support: Consider training sessions for users involved in inventory management to ensure they understand how to handle special stock types correctly.
  
  By following these steps, you should be able to identify the cause of the MR045 error and implement a suitable solution.