How To Fix CPCC_DM020 - Changing of task list header: type &1, group &2, counter &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CPCC_DM - Message Class for Changing Task List

• Message number: 020

• Message text: Changing of task list header: type &1, group &2, counter &3

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 CPCC_DM020 - Changing of task list header: type &1, group &2, counter &3 ?

  The SAP error message CPCC_DM020 typically occurs in the context of changing a task list header in the SAP system, particularly when dealing with task lists in the context of production planning or project management. The message indicates that there is an issue with the task list header that you are trying to modify.
  Cause:
  The error message CPCC_DM020 can be triggered by several factors, including:
  
  Authorization Issues: The user may not have the necessary permissions to change the task list header.
  Task List Status: The task list may be in a status that does not allow changes (e.g., it may be locked or in a completed state).
  Data Inconsistencies: There may be inconsistencies or missing data in the task list that prevent it from being modified.
  System Configuration: There may be configuration settings in the SAP system that restrict changes to certain types of task lists.
  
  Solution:
  To resolve the CPCC_DM020 error, you can take the following steps:
  
  
  Check Authorizations: Ensure that the user has the necessary authorizations to change the task list header. You may need to consult with your SAP security team to verify this.
  
  
  Review Task List Status: Check the status of the task list you are trying to change. If it is locked or completed, you may need to unlock it or change its status before making modifications.
  
  
  Validate Data: Review the task list for any inconsistencies or missing data. Ensure that all required fields are filled out correctly.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific details about the task list type you are working with. This may provide insights into any restrictions or requirements.
  
  
  Check Configuration Settings: If you have access to the configuration settings, review them to ensure that there are no restrictions in place that would prevent changes to the task list header.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may be able to provide more specific guidance based on your system configuration and the context of the error.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes related to task lists, such as C223 (Change Task List) or C220 (Display Task List).
  SAP Notes: Search for SAP Notes related to CPCC_DM020 for any known issues or patches that may address the error.
  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 CPCC_DM020 error and implement a solution to resolve it.