How To Fix MC747 - View field &-& (type not consistent with base field)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 747

• Message text: View field &-& (type not consistent with base field)

What causes this issue?

A data element which has a different type than the base field was
assigned 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?

Generally view fields refer to the data elements of their base fields.
You can make sure of this in the view definition in the ABAP/4
Dictionary by deactivating the modification flag for the view fields.
If another data element should be assigned nevertheless, at least the
domain of the base field should agree with the domain of the view
field. In some cases (generated view on a matchcode ID and for base
fields to which no data element was assigned), it is sufficient if the
type and length agree, but this was not the case here.
For the corresponding field of the matchcode ID or view, enter a data
element which at least agrees in type and length with the base field or
cancel the modification flag.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MC747 - View field &-& (type not consistent with base field) ?

  The SAP error message MC747, which states "View field &-& (type not consistent with base field)," typically occurs in the context of SAP's Material Management (MM) or Logistics Information System (LIS) modules. This error indicates that there is a mismatch between the data type of a field in a view and the data type of the corresponding base field in the underlying database table.
  Cause:
  
  Data Type Mismatch: The most common cause of this error is that the field in the view has been defined with a different data type than the corresponding field in the base table. This can happen due to changes in the data model or incorrect configuration.
  Custom Development: If there are custom views or reports that have been developed, they may not align with the data types of the underlying fields.
  Transport Issues: If changes were transported from one system to another (e.g., from development to production), there may have been inconsistencies in the data types during the transport process.
  
  Solution:
  
  Check Field Definitions: Verify the data types of the fields in both the view and the base table. You can do this by using transaction codes like SE11 (Data Dictionary) to check the definitions of the relevant tables and views.
  Adjust Data Types: If you find a mismatch, you may need to adjust the data type of the view field or the base field to ensure they are consistent. This may involve modifying the view or the underlying table.
  Recreate the View: If the view is a custom one, consider recreating it to ensure that it aligns with the current definitions of the base fields.
  Check for Transport Issues: If the issue arose after a transport, check the transport logs for any errors or warnings related to the data dictionary objects. You may need to re-transport the objects or manually adjust them.
  Consult Documentation: Review any relevant documentation or change logs to understand if there were any recent changes that could have led to this inconsistency.
  
  Related Information:
  
  Transaction Codes: Use SE11 to view and edit data dictionary objects, SE80 for object navigator, and SE37 for function modules if needed.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for MC747 in the SAP Support Portal.
  Testing: After making changes, ensure to test the affected functionality thoroughly to confirm that the error has been resolved and that no new issues have been introduced.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP Basis or ABAP team for further investigation.