How To Fix UPC526 - No combinations could be generated

UPC526 - Overview

• Message type: E = Error

• Message class: UPC - Planning: General Error Messages

• Message number: 526

• Message text: No combinations could be generated

What causes this issue?

The planning layout was parameterized so that combinations should be
formed for all characteristics of the planning level, in accordance
with the maintenance of characteristic relationships. However,
combinations were generated in individual steps, but in total there
were no valid combinations.

System Response

Since no valid combinations can be formed within the selection, manual
planning is not possible.,,,,

How to fix this error?

If required, correct the settings in the characteristic relationships
in the context of the current planning area '&V1&'.

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 UPC526 - No combinations could be generated ?

  The SAP error message UPC526 ("No combinations could be generated") typically occurs in the context of SAP Advanced Planning and Optimization (APO) or SAP Integrated Business Planning (IBP) when the system is unable to generate combinations for a specific planning object, such as a product or a location. This can happen for various reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  Missing Master Data: The required master data (like product, location, or resource) may not be set up correctly or may be missing.
  Incorrect Planning Parameters: The planning parameters or settings may not be configured correctly, leading to an inability to generate combinations.
  Data Inconsistencies: There may be inconsistencies or errors in the data that prevent the generation of combinations.
  Combination Rules: The combination rules defined in the system may not allow for the generation of the requested combinations.
  Planning Object Restrictions: Certain restrictions or filters may be applied that limit the