How To Fix UPWB128 - Selector &1 was not initialized

UPWB128 - Overview

• Message type: E = Error

• Message class: UPWB - Messages for Development Class UPWB

• Message number: 128

• Message text: Selector &1 was not initialized

What causes this issue?

The setting for the selector is not correct.

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?

<ZH>For potential problems and solutions see SAP Note 765481.</>

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UPWB128 - Selector &1 was not initialized ?

  The SAP error message UPWB128, which states "Selector &1 was not initialized," typically occurs in the context of SAP Business Planning and Consolidation (BPC) or SAP BW (Business Warehouse) when a selector variable is not properly initialized before it is used in a planning function or report.
  
  Cause:
  
  Uninitialized Selector: The error indicates that a selector variable (denoted by &1) has not been assigned a value or has not been initialized before it is referenced in a planning function or report.
  
  Configuration Issues: There may be issues in the configuration of the planning function or the data model that prevent the selector from being properly initialized.
  Data Source Issues: The data source from which the selector is supposed to pull values may not be correctly set up or may not contain the expected data.
  User Input: If the selector is supposed to be populated based on user input, the user may not have provided the