How To Fix 34428 - Number of constraint calls in loop: &1 &2 &3 &4

34428 - Overview

• Message type: E = Error

• Message class: 34 - Messages for Sales Configuration Engine (SCE)

• Message number: 428

• Message text: Number of constraint calls in loop: &1 &2 &3 &4

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 34428 - Number of constraint calls in loop: &1 &2 &3 &4 ?

  The SAP error message 34428, which states "Number of constraint calls in loop: &1 &2 &3 &4," typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or similar planning applications. This error indicates that there is an issue with the number of constraint calls being made in a loop during the planning process. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Excessive Constraint Calls: The error usually arises when the system detects that the number of constraint calls exceeds a predefined limit during the execution of a planning run. This can happen due to complex planning scenarios or inefficient constraint definitions.
  Inefficient Planning Model: If the planning model is not optimized, it may lead to excessive iterations and calls to constraints, causing the system to hit the limit.
  Data Volume: Large volumes of data being processed can also contribute to this issue, especially if the constraints are