How To Fix UPS_C331 - Function Module &: Serialization Graph is Cyclical (Recursive)

UPS_C331 - Overview

• Message type: E = Error

• Message class: UPS_C - ALE Object Services for Distribution Unit - Messages

• Message number: 331

• Message text: Function Module &: Serialization Graph is Cyclical (Recursive)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UPS_C331 - Function Module &: Serialization Graph is Cyclical (Recursive) ?

  The SAP error message UPS_C331, which indicates "Function Module &: Serialization Graph is Cyclical (Recursive)," typically arises in the context of the SAP Upgrade and Patch Management System. This error suggests that there is a cyclical dependency in the serialization graph, which means that the system has detected a loop in the dependencies of the function modules or objects being processed.
  
  Cause:
  
  Cyclical Dependencies: The most common cause of this error is that there are circular references in the function modules or objects that are being serialized. This can happen if one function module calls another in a way that creates a loop.
  Incorrect Configuration: Misconfiguration in the upgrade or patching process can lead to this issue, especially if the dependencies between objects are not correctly defined.
  Corrupted Objects: Sometimes, corrupted or improperly defined objects in the system can lead to cyclical references.
  
  
  Solution:
  
  Analyze Dependencies: Use transaction codes like SE80 (Object Navigator) or SE37 (Function