How To Fix MW659 - Include TMCWWTOP is empty (see long text)

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 659

• Message text: Include TMCWWTOP is empty (see long text)

What causes this issue?

No selection variants were created.

How to fix this error?

Check whether key figure categories are defined in the Customizing for
the allocation rule. If no key figure categories are defined, define
key figure categories according to your requirements.
If key figure categories exist, call report RWSVZUKT to create
selection variants and to generate include TMCWWTOP.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW659 - Include TMCWWTOP is empty (see long text) ?

  The SAP error message MW659, which states "Include TMCWWTOP is empty," typically occurs in the context of inventory management or material management processes. This error indicates that the system is trying to access a specific include file (TMCWWTOP) that is expected to contain certain data or definitions, but it is currently empty.
  Cause:
  
  Missing Data: The include file TMCWWTOP is supposed to contain necessary data for the processing of certain transactions. If it is empty, it may indicate that the necessary configuration or data has not been set up correctly.
  Configuration Issues: There may be issues with the configuration of the material master or inventory management settings that lead to this include being empty.
  Custom Development: If there are custom developments or modifications in the SAP system, they might inadvertently affect the contents of this include.
  
  Solution:
  
  Check Configuration: Review the configuration settings related to the material management module. Ensure that all necessary data is correctly maintained.
  Data Population: If the include is supposed to be populated with data, check if there are any missing entries or if the data needs to be loaded or updated.
  SAP Notes: Search for relevant SAP Notes that might address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  Debugging: If you have access to the development environment, you can debug the program to see why the include is being accessed and why it is empty. This may provide insights into what data is expected.
  Consult Documentation: Review the SAP documentation or help files related to the specific transaction or process you are working with to ensure that all prerequisites are met.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  Transaction Codes: The error may occur during specific transaction codes related to inventory management, such as MIGO (Goods Movement) or MB1A (Goods Withdrawal).
  Material Master: Ensure that the material master records are complete and correctly configured.
  User Exits and BAdIs: If there are any user exits or Business Add-Ins (BAdIs) that interact with the material management processes, review them to ensure they are functioning as expected.
  
  By following these steps, you should be able to identify the root cause of the MW659 error and implement a solution to resolve it.