How To Fix UPWB088 - Referenced component &1 is not a selector of the correct type

UPWB088 - Overview

• Message type: E = Error

• Message class: UPWB - Messages for Development Class UPWB

• Message number: 088

• Message text: Referenced component &1 is not a selector of the correct type

What causes this issue?

The assigned selector does not have the correct type.

System Response

The selector cannot be assigned to the current element.

How to fix this error?

Select a suitable selector:
For the selection of a planning package, use a package selector.
For the selection of a planning layout, a planning function or a
parameter group use a function/layout selector.
For the selection of variable values for planning layouts or planning
functions use a variable selector.

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.

UPWB088 - Details

• The SAP error message UPWB088, which states "Referenced component &1 is not a selector of the correct type," typically occurs in the context of SAP BusinessObjects or SAP BW (Business Warehouse) when working with queries, reports, or dashboards. This error indicates that there is a mismatch between the expected type of a component (like a filter or a variable) and the actual type of the component being referenced.
  
  Cause:
  
  Type Mismatch: The referenced component (e.g., a filter or variable) is not of the expected type. For example, if a numeric filter is expected but a string filter is provided, this error may occur.
  Incorrect Configuration: The component may not be configured correctly in the context of the query or report.
  Changes in Data Model: If there have been changes in the underlying data model or structure, the components may no longer align with the expected types.
  Version Compatibility: If you are using different versions of