How To Fix SWDP_WB_TOOL816 - &1 must not be a child element of &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SWDP_WB_TOOL - Web Dynpro: Messages for Workbench Tools

• Message number: 816

• Message text: &1 must not be a child element of &2

What causes this issue?

&V1& is a child element of &V2&. This is not allowed since the
agregation through &V1& in the relationship is aggregated, is an
aggregation "to 1", and a child element is already aggregated in the
original version of the view.

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?

&V1& must either be assigned under a new parent node or it must be
deleted.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.