How To Fix /ASU/GENERAL077 - Generated task list not consistent (Node &1 Parent &2 Sibling &3)

/ASU/GENERAL077 - Overview

• Message type: E = Error

• Message class: /ASU/GENERAL -

• Message number: 077

• Message text: Generated task list not consistent (Node &1 Parent &2 Sibling &3)

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ASU/GENERAL077 - Generated task list not consistent (Node &1 Parent &2 Sibling &3) ?

  The SAP error message /ASU/GENERAL077 Generated task list not consistent (Node &1 Parent &2 Sibling &3) typically indicates an inconsistency in the task list structure within the SAP system. This error is often encountered in the context of SAP Advanced Planning and Optimization (APO) or similar modules where task lists are used for planning and execution.
  
  Cause:
  
  
  Inconsistent Data: The error usually arises when there is a mismatch in the hierarchical structure of the task list. This could be due to:
  
  A node (task) being incorrectly linked to its parent or sibling nodes.
  Missing or incorrectly defined relationships between tasks.
  Data corruption or inconsistencies in the underlying database.
  
  
  
  Changes in Task List: If changes were made to the task list (e.g., adding, deleting, or modifying tasks) without properly updating the relationships, this can lead to inconsistencies.
  
  
  System Bugs: Occasionally, bugs in the SAP system or specific versions may lead to this error.
  
  
  
  Solution:
  
  
  Check Task List Structure: Review the