How To Fix REEXCA020 - Dimension of unit: &1 (&2) is not a &3

SAP Error Message - Details

• Message type: E = Error

• Message class: REEXCA - Messages Callback Modules for Classic RE

• Message number: 020

• Message text: Dimension of unit: &1 (&2) is not a &3

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message REEXCA020 - Dimension of unit: &1 (&2) is not a &3 ?

  The SAP error message REEXCA020 indicates that there is a mismatch in the expected dimensions of a unit in the context of a specific operation, typically related to the handling of units of measure in the SAP system. This error often arises in the context of materials management, production planning, or other modules where units of measure are critical.
  Cause:
  The error message REEXCA020 is triggered when the system encounters a unit of measure that does not conform to the expected dimensionality. This can happen due to several reasons, including:
  
  
  Incorrect Unit of Measure Configuration: The unit of measure may not be properly defined in the system, or it may not match the expected dimensions for the operation being performed.
  
  
  Data Entry Errors: Users may have entered an incorrect unit of measure in a transaction, leading to a mismatch.
  
  
  Master Data Issues: The material master or other related master data may have incorrect or inconsistent unit definitions.
  
  
  Unit Conversion Issues: If there are conversions between different units of measure, the conversion factors may not be set up correctly.
  
  
  Solution:
  To resolve the REEXCA020 error, you can take the following steps:
  
  
  Check Unit of Measure Configuration:
  
  Go to the configuration settings for units of measure in SAP (Transaction Code: OME1 for defining units of measure).
  Ensure that the unit of measure in question is correctly defined and has the appropriate dimensions.
  
  
  
  Review Material Master Data:
  
  Check the material master record (Transaction Code: MM03) for the material associated with the error.
  Verify that the units of measure assigned to the material are correct and consistent.
  
  
  
  Validate Transaction Data:
  
  Review the transaction that triggered the error. Ensure that the unit of measure entered is valid and matches the expected dimensions.
  
  
  
  Check for Unit Conversions:
  
  If applicable, review the unit conversion settings (Transaction Code: CUNI) to ensure that conversions between units are correctly defined.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on the unit of measure and dimensionality requirements for the relevant module.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after checking the above, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), OME1 (Define Units of Measure), and CUNI (Maintain Units of Measure).
  SAP Notes: Check for any SAP Notes related to unit of measure issues or the specific error message for additional guidance or patches.
  Training and Documentation: Ensure that users are trained on the correct entry of units of measure and the importance of maintaining accurate master data.
  
  By following these steps, you should be able to identify and resolve the cause of the REEXCA020 error in your SAP system.