How To Fix MCEX032 - Field &1 cannot be selected because of unit field &2 -> see long text

SAP Error Message - Details

• Message type: E = Error

• Message class: MCEX - Extraction Interface LIS/BW

• Message number: 032

• Message text: Field &1 cannot be selected because of unit field &2 -> see long text

What causes this issue?

Field &V1& cannot be transferred, since its unit field &V2& is either
not in the communication structure, or was purposefully excluded from
the selection.

How to fix this error?

If you have chosen your own field, you must also create a user-defined
unit field in the append and use it accordingly.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MCEX032 - Field &1 cannot be selected because of unit field &2 -> see long text ?

  The SAP error message MCEX032 indicates that there is an issue with the selection of a field in a report or transaction due to a conflict with the unit field. This error typically arises in the context of Material Management (MM) or Logistics, where unit of measure (UoM) is critical for data consistency.
  Cause:
  The error occurs when:
  
  You are trying to select a field (denoted as &1) that is incompatible with the unit field (denoted as &2). This could happen if the field you are trying to select does not have a corresponding unit of measure or if the unit of measure is not defined correctly in the system.
  The field you are trying to access may not be relevant for the selected unit of measure, or there may be a mismatch in the data types or formats.
  
  Solution:
  To resolve the MCEX032 error, you can take the following steps:
  
  
  Check Field Compatibility: Ensure that the field you are trying to select is compatible with the unit of measure. Review the documentation or configuration settings for the fields involved.
  
  
  Review Unit of Measure Settings: Verify that the unit of measure for the material or transaction is correctly defined in the system. You can check this in the material master data or relevant configuration settings.
  
  
  Adjust Selection Criteria: If you are using a report or transaction that allows for field selection, try modifying your selection criteria to exclude the incompatible field or to use a different unit of measure that is compatible.
  
  
  Consult Long Text: The error message suggests checking the long text for more details. You can usually find this by clicking on the message or looking it up in the SAP documentation. The long text may provide specific guidance on what fields are incompatible and how to resolve the issue.
  
  
  SAP Notes and Support: If the issue persists, consider searching for relevant SAP Notes or reaching out to SAP support for assistance. There may be known issues or patches that address this error.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to material management, such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material).
  Unit of Measure Configuration: Review the configuration settings for units of measure in the SAP system, which can be found in the customizing settings under Logistics > General > Material Master > Settings for Key Fields.
  Documentation: Refer to SAP Help documentation for detailed explanations of fields and their relationships, especially in the context of material management and reporting.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.