How To Fix OM218 - Number of determined reference mvt types is too large

SAP Error Message - Details

• Message type: E = Error

• Message class: OM - Customizing Materialwirtschaft

• Message number: 218

• Message text: Number of determined reference mvt types is too large

What causes this issue?

The number of reference movement types determined exceeds the maximum
possible number.

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?

Check that all user-defined movement types are correct. If required,
delete the questionable user-defined movement types (movement types
starting with 9, X, Y or Z) and then redefine the required movement
types.

Procedure for System Administrators

Then run the program again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OM218 - Number of determined reference mvt types is too large ?

  The SAP error message OM218, which states "Number of determined reference movement types is too large," typically occurs in the context of inventory management or material movements in SAP. This error indicates that the system has encountered too many movement types when trying to determine a reference movement type for a specific transaction.
  Cause:
  
  Excessive Movement Types: The system has identified too many movement types that could potentially be used for a particular transaction, exceeding the limit set in the configuration.
  Configuration Issues: There may be an issue with the configuration of movement types in the system, leading to an excessive number of movement types being considered.
  Data Integrity Issues: There could be inconsistencies or errors in the master data or transaction data that lead to the system attempting to process too many movement types.
  
  Solution:
  
  
  Review Movement Type Configuration:
  
  Go to the configuration settings for movement types in the SAP system (Transaction code: OMJJ).
  Check the settings for the movement types that are relevant to the transaction you are trying to execute.
  Ensure that the movement types are correctly defined and that there are no unnecessary or duplicate entries.
  
  
  
  Limit Movement Types:
  
  If there are too many movement types defined for a specific transaction, consider limiting the number of movement types that can be used. This can be done by adjusting the configuration settings to restrict the movement types based on specific criteria.
  
  
  
  Check for Data Issues:
  
  Review the material master data and transaction data for any inconsistencies or errors that might be causing the system to consider too many movement types.
  Ensure that the relevant materials and movement types are correctly linked and that there are no orphaned or incorrectly configured entries.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates that can resolve the issue.
  
  
  
  Testing:
  
  After making changes to the configuration or data, perform tests to ensure that the error no longer occurs and that the system behaves as expected.
  
  
  
  Related Information:
  
  Transaction Codes: OMJJ (Movement Type Configuration), OMJH (Movement Type Determination), and MIGO (Goods Movement) may be useful for troubleshooting.
  SAP Documentation: Refer to the official SAP documentation for detailed information on movement types and their configuration.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, it may be beneficial to involve your SAP Basis or functional team for further investigation.