How To Fix GHO_NET081 - Links cannot be created between start and end nodes

GHO_NET081 - Overview

• Message type: E = Error

• Message class: GHO_NET - Message class for Production Network Modelling

• Message number: 081

• Message text: Links cannot be created between start and end nodes

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message GHO_NET081 - Links cannot be created between start and end nodes ?

  The SAP error message GHO_NET081, which states "Links cannot be created between start and end nodes," typically occurs in the context of SAP's project management or network planning functionalities, such as in the Project System (PS) or Production Planning (PP) modules. This error indicates that there is an issue with the way the nodes (activities or tasks) are being linked in a network diagram or project plan.
  
  Cause:
  
  
  Incorrect Node Type: The error often arises when trying to create a link between incompatible node types. For example, you may be trying to link a start node (which is usually the beginning of a process) directly to an end node (which signifies the completion of a process) without any intermediate activities.
  
  
  Missing Intermediate Activities: The linking logic in project management typically requires that there are intermediate activities between the start and end nodes. If there are no such activities, the system will not allow