How To Fix /ASU/GENERAL235 - Nodes NODE_ID = & and & do not have a predecessor node

/ASU/GENERAL235 - Overview

• Message type: E = Error

• Message class: /ASU/GENERAL -

• Message number: 235

• Message text: Nodes NODE_ID = & and & do not have a predecessor node

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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/GENERAL235 - Nodes NODE_ID = & and & do not have a predecessor node ?

  The SAP error message /ASU/GENERAL235 indicates that there is an issue with the node configuration in a process or structure where the specified nodes do not have a predecessor node. This typically occurs in scenarios involving hierarchical data structures, such as in SAP Advanced Planning and Optimization (APO) or other SAP modules that utilize node relationships.
  
  Cause:
  
  Missing Predecessor Node: The error suggests that the nodes identified by NODE_ID do not have a defined predecessor. In hierarchical structures, each node (except the root) should have a predecessor node that it follows.
  Incorrect Configuration: There may be a misconfiguration in the node relationships, possibly due to manual entry errors or incorrect data imports.
  Data Integrity Issues: The data integrity might be compromised, leading to orphaned nodes that do not connect properly within the hierarchy.
  
  
  Solution:
  
  Check Node Configuration: Review the configuration of the nodes in question. Ensure that each node has a valid predecessor node defined. This