How To Fix MPE_STA_MES023 - Assignment is not possible as not all items have been incorporated

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_STA_MES -

• Message number: 023

• Message text: Assignment is not possible as not all items have been incorporated

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_STA_MES023 - Assignment is not possible as not all items have been incorporated ?

  The SAP error message MPE_STA_MES023, which states "Assignment is not possible as not all items have been incorporated," typically occurs in the context of Material Management (MM) or Production Planning (PP) modules. This error indicates that there is an issue with the assignment of materials or components in a production order or a related process, where not all required items have been accounted for or processed.
  Causes:
  
  Incomplete Item List: The error may arise if not all components or materials required for a production order or process have been included or processed.
  Missing Components: If certain components are missing from the bill of materials (BOM) or the production order, the system will not allow the assignment to proceed.
  Status Issues: The status of the items may not be set correctly, meaning that some items are not in a state that allows them to be incorporated into the assignment.
  Quantity Mismatch: There may be a mismatch between the quantities of items that are available and those that are required for the assignment.
  Configuration Issues: Incorrect configuration in the system settings related to material assignment or production processes can lead to this error.
  
  Solutions:
  
  Check BOM and Production Order: Verify that all components listed in the BOM are included in the production order. Ensure that the quantities match what is required.
  Review Item Status: Check the status of all items involved in the assignment. Ensure that they are all in a state that allows them to be processed (e.g., not blocked or in a different status).
  Incorporate Missing Items: If any items are missing, incorporate them into the production order or process as needed.
  Adjust Quantities: Ensure that the quantities of materials available match the requirements of the production order. If there are discrepancies, adjust the quantities accordingly.
  Consult Configuration Settings: If the issue persists, review the configuration settings in the SAP system related to material assignment and production processes. Ensure that they are set up correctly.
  Check for User Exits or Enhancements: Sometimes, custom user exits or enhancements can interfere with standard processes. Check if any custom code is affecting the assignment process.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CO01 (Create Production Order), CO02 (Change Production Order), and CS01 (Create BOM) to navigate and troubleshoot effectively.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Refer to SAP documentation for detailed information on production orders, BOMs, and material management processes to understand the context of the error better.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth assistance.