How To Fix 28131 - Constraint has too many value assignment alternatives: &1

28131 - Overview

• Message type: E = Error

• Message class: 28 - Configuration

• Message number: 131

• Message text: Constraint has too many value assignment alternatives: &1

What causes this issue?

There is a maximum number of value assignment alternatives (rules) for
an individual constraint. The number of value assignment alternatives
is determined by the value inferences required and the use of the
logical operators OR and NOT.

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?

Divide the constraint into several simpler constraints.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 28131 - Constraint has too many value assignment alternatives: &1 ?

  The SAP error message 28131, which states "Constraint has too many value assignment alternatives: &1," typically occurs in the context of SAP's configuration and data modeling, particularly when dealing with constraints in the context of data validation or business rules.
  
  Cause:
  This error arises when a constraint defined in the system has exceeded the maximum number of allowed value assignment alternatives. In SAP, constraints are used to enforce rules on data entries, and each constraint can have a limited number of alternatives or options that can be assigned to it. When the number of alternatives exceeds this limit, the system triggers this error.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the Constraint Definition: Check the specific constraint that is causing the error. You need to identify which constraint has too many alternatives defined.
  
  
  Reduce the Number of Alternatives: If possible, reduce the number of value assignment alternatives for the constraint. This