How To Fix CPWB851 - Entry &1 is not allowed for task list type &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CPWB - General Workbench Messages

• Message number: 851

• Message text: Entry &1 is not allowed for task list type &2

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 CPWB851 - Entry &1 is not allowed for task list type &2 ?

  The SAP error message CPWB851 indicates that there is an issue with the entry you are trying to make in a task list. Specifically, the message states that the entry for a certain task list type is not allowed. This typically occurs in the context of SAP's Production Planning (PP) or Plant Maintenance (PM) modules, where task lists are used to define sequences of operations or maintenance tasks.
  Cause:
  The error can be caused by several factors, including:
  
  
  Incorrect Task List Type: The task list type you are trying to use may not be compatible with the entry you are attempting to make. For example, you might be trying to assign a task to a task list type that does not support that specific operation or entry.
  
  
  Configuration Issues: The configuration settings for the task list types in the system may not allow for the entry you are trying to make. This could be due to restrictions set in the customizing settings.
  
  
  Authorization Issues: The user may not have the necessary authorizations to make changes to the specified task list type.
  
  
  Data Integrity Issues: There may be inconsistencies or errors in the data related to the task list or the entries being made.
  
  
  Solution:
  To resolve the CPWB851 error, you can take the following steps:
  
  
  Check Task List Type: Verify that the task list type you are using is appropriate for the entry you are trying to make. Consult the documentation or configuration settings to ensure compatibility.
  
  
  Review Configuration Settings: If you have access to the configuration settings, check the settings for the task list types in the SAP Customizing Implementation Guide (IMG). Ensure that the task list type allows for the entries you are trying to make.
  
  
  User Authorizations: Ensure that the user has the necessary authorizations to perform the action. You may need to consult with your SAP security team to verify and adjust user roles and permissions.
  
  
  Data Validation: Check the data you are entering for any inconsistencies or errors. Ensure that all required fields are filled out correctly and that the data adheres to the expected formats.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for more specific guidance related to the task list type and the operations you are trying to perform.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights based on the specific configuration and version of your SAP system.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CPWB (Task List Workbench) to navigate and troubleshoot task lists.
  SAP Notes: Search for SAP Notes related to the error message CPWB851 in the SAP Support Portal for any known issues or patches.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.