How To Fix DIWP1235 - Only task list types &1 and &2 allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: DIWP1 - Revision Planning

• Message number: 235

• Message text: Only task list types &1 and &2 allowed

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message DIWP1235 - Only task list types &1 and &2 allowed ?

  The SAP error message DIWP1235, which states "Only task list types &1 and &2 allowed," typically occurs in the context of working with task lists in SAP, particularly in the areas of production planning or maintenance. This error indicates that the system is expecting a specific type of task list, but the one provided does not match the allowed types.
  Cause:
  The error is triggered when:
  
  You are trying to use a task list type that is not permitted in the current context or transaction.
  The system is configured to only accept certain task list types (e.g., "Standard" and "Reference" task lists), and the one you are attempting to use does not fall into these categories.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Task List Type: Verify the type of task list you are trying to use. Ensure that it matches the allowed types specified in the error message (e.g., &1 and &2).
  
  
  Use Allowed Task List Types: If you are using a task list type that is not allowed, switch to one of the permitted types. You can find the allowed types in the configuration or documentation related to the specific transaction you are working with.
  
  
  Review Configuration: If you believe the task list type you are using should be allowed, check the configuration settings in the SAP system. This may involve looking at the customizing settings for task lists in the relevant module (e.g., Production Planning, Plant Maintenance).
  
  
  Consult Documentation: Refer to SAP documentation or help resources for the specific transaction or module you are working with to understand the requirements for task list types.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the transaction codes related to task lists in your specific SAP module (e.g., CA01 for creating task lists in Production Planning).
  SAP Notes: Check for any relevant SAP Notes that may address this error or provide additional context.
  User Roles and Authorizations: Ensure that your user role has the necessary authorizations to access and use the specified task list types.
  
  By following these steps, you should be able to identify the cause of the DIWP1235 error and implement a solution to resolve it.