How To Fix UPWB128 - Selector &1 was not initialized

SAP Error Message - Details

• 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 necessary input.
  
  Solution:
  
  Check Initialization: Ensure that the selector variable is properly initialized in the planning function or report. This may involve setting default values or ensuring that the variable is populated based on user input.
  Review Configuration: Go through the configuration settings of the planning function or report to ensure that all necessary parameters and selectors are correctly defined and initialized.
  Data Source Verification: Verify that the data source associated with the selector is correctly configured and contains the expected data. Check for any issues in the data extraction process.
  User Input Validation: If the selector relies on user input, ensure that the input is being captured correctly and that the user is prompted to provide the necessary values.
  Debugging: If the issue persists, consider using debugging tools within SAP to trace the execution of the planning function and identify where the selector is failing to initialize.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common errors.
  Documentation: Review the official SAP documentation for BPC or BW to understand how selectors work and best practices for their initialization.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared by other users.
  
  If the problem continues after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.