Message type: E = Error
Message class:  OXT_TF - Messages for OXT Task Framework 
Message number: 003
Message text: Task type &1 does not exist
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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The SAP error message OXT_TF003, which states "Task type &1 does not exist," typically occurs in the context of SAP's Project System (PS) or other modules where task types are defined and utilized. This error indicates that the system is trying to reference a task type that has not been defined in the system.
Cause: Missing Task Type: The task type specified in the error message (&1) does not exist in the system. This could be due to a configuration issue or because the task type was never created. Incorrect Configuration: The task type may have been incorrectly configured or deleted. Data Entry Error: There may be a typo or incorrect entry when specifying the task type in a transaction or configuration.
Solution: Check Task Type Configuration: Go to the configuration settings for task types in SAP. This can typically be found under the Project System settings. Use transaction code SPRO to access the configuration menu. Navigate to: Project
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