How To Fix MC391 - Standard append & for view & already exists

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 391

• Message text: Standard append & for view & already exists

What causes this issue?

You decided to create a new <DS:TX.DDDOK_VIEW_APPEND>append view</> for
view &V2&. Normally the system proposes a standard name. In this case
there is already an append view for this view having this standard
name. The system therefore assumes that you do not want to use this
standard append view.

System Response

The system does not make a proposal for the name.

How to fix this error?

Enter a name for the append view. You can also choose the given
standard name.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MC391 - Standard append & for view & already exists ?

  The SAP error message MC391, which states "Standard append & for view & already exists," typically occurs when there is an attempt to create or modify a view in the SAP system that already has a standard append structure defined for it. This can happen during the development of custom views or when trying to enhance standard views.
  
  Cause:
  
  Existing Append Structure: The error indicates that there is already an existing standard append structure for the specified view. This means that the system does not allow the creation of another append structure for the same view.
  Development Environment: This error can occur in a development environment where multiple developers might be trying to enhance the same view simultaneously.
  Transport Issues: If changes are being transported from one system to another (e.g., from development to quality assurance), conflicts can arise if the same append structure is being modified or created in both systems.
  
  
  Solution:
  
  Check Existing Appends: