How To Fix GHO_ALLOC_UI157 - Tasklist assigned to network object is not valid for specified date range

SAP Error Message - Details

• Message type: E = Error

• Message class: GHO_ALLOC_UI - Message Class for UI for Allocation

• Message number: 157

• Message text: Tasklist assigned to network object is not valid for specified date range

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 GHO_ALLOC_UI157 - Tasklist assigned to network object is not valid for specified date range ?

  The SAP error message GHO_ALLOC_UI157 indicates that there is an issue with the task list assigned to a network object, specifically that it is not valid for the specified date range. This error typically occurs in the context of project management and production planning within SAP, particularly when dealing with networks and task lists in the Project System (PS) or Production Planning (PP) modules.
  
  Cause:
  
  Invalid Date Range: The task list assigned to the network object may not be valid for the dates you are trying to use. This can happen if the task list is set up with specific validity dates that do not encompass the date range you are working with.
  Task List Configuration: The task list may not be properly configured or may have been deleted or archived.
  Network Object Status: The network object itself may be in a status that does not allow for the assignment of task lists.
  Missing Dependencies: