How To Fix MC722 - View field &-& (domains of the data elements not equal)

SAP Error Message - Details

• Message type: E = Error

• Message class: MC - Aggregate: views, matchcodes, lock objects

• Message number: 722

• Message text: View field &-& (domains of the data elements not equal)

What causes this issue?

A data element which has a different domain than the base field
was allocated to a view field.

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?

Normally view fields refer to the data elements of the base fields.
You can ensure this for the view definition in the
ABAP/4 Dictionary by switching off the modification flag for the view
fields.
If another data element is to be allocated nevertheless, make sure
that at least the domain of the base field agrees
with the domain of the data element.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MC722 - View field &-& (domains of the data elements not equal) ?

  The SAP error message MC722, which states "View field &-& (domains of the data elements not equal)," typically occurs when there is a mismatch in the data types or domains of the fields being used in a view or a query. This can happen in various scenarios, such as when creating or modifying views in the SAP system, particularly in the context of Material Management (MM) or other modules that involve data aggregation.
  Cause:
  
  Domain Mismatch: The fields being compared or used in the view have different domains or data types. For example, one field might be defined as a character type while another is defined as a numeric type.
  Field Length Differences: Even if the data types are the same, differing lengths can also cause this error.
  Inconsistent Data Elements: The data elements associated with the fields may not be compatible, leading to the error.
  
  Solution:
  
  Check Field Definitions: Review the definitions of the fields involved in the view. Ensure that they have the same data type and domain.
  Modify the View: If you are creating or modifying a view, ensure that all fields being used are compatible. You may need to change the data type of one of the fields or use a conversion function to align them.
  Use Data Type Conversion: If necessary, you can use conversion functions (like CAST or CONVERT) in your SQL or ABAP code to ensure that the fields being compared are of the same type.
  Consult Data Dictionary: Use transaction SE11 to check the data dictionary for the fields in question. This will help you identify any discrepancies in their definitions.
  Testing: After making changes, test the view or query again to ensure that the error is resolved.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function Module) to investigate and modify the relevant objects.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, specific versions of SAP may have bugs that are documented in SAP Notes.
  Documentation: Refer to SAP documentation for best practices on creating views and handling data types.
  
  By following these steps, you should be able to identify and resolve the cause of the MC722 error in your SAP system.