How To Fix GHO_ALLOC_UI156 - Tasklist has not been maintained for the selected Network Object

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 156

• Message text: Tasklist has not been maintained for the selected Network Object

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message GHO_ALLOC_UI156 - Tasklist has not been maintained for the selected Network Object ?

  The SAP error message GHO_ALLOC_UI156 indicates that a task list has not been maintained for the selected network object in the context of project management or production planning. This error typically arises when you are trying to allocate resources or perform operations on a network object (like a project or production order) that does not have an associated task list defined.
  Cause:
  
  Missing Task List: The primary cause of this error is that the task list for the specific network object has not been created or maintained in the system.
  Incorrect Configuration: There may be configuration issues in the project or network settings that prevent the system from recognizing the task list.
  Data Entry Error: The network object you are trying to work with may not be correctly set up or may have been incorrectly referenced.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Maintain Task List:
  
  Navigate to the relevant transaction in SAP (e.g., CATS for time recording, CJ20N for project management).
  Check if a task list exists for the network object you are working with.
  If it does not exist, create a new task list by going to the appropriate transaction (e.g., CA01 for creating a task list) and ensure it is linked to the network object.
  
  
  
  Check Network Object Configuration:
  
  Ensure that the network object is correctly configured and that all necessary fields are filled out.
  Verify that the network is active and properly set up in the system.
  
  
  
  Review Authorizations:
  
  Ensure that you have the necessary authorizations to view and maintain task lists and network objects.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help files for specific instructions on maintaining task lists and network objects.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CA01 (Create Task List), CA02 (Change Task List), CJ20N (Project Builder), and CATS (Cross-Application Time Sheet).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Training and Documentation: Consider training sessions or documentation on project management and task list maintenance in SAP to prevent similar issues in the future.
  
  By following these steps, you should be able to resolve the GHO_ALLOC_UI156 error and successfully maintain your network objects and task lists in SAP.