Message type: E = Error
Message class:  IW - Order Processing 
Message number: 277
Message text: Task list: Material &1 does not exist in plant &2
When including a <GL:routing>routing</>, the system found
that a <GL:material>material</> which no longer exists is in the
routing.
INCLUDE 'KEINE-VERARBEITUNG' OBJECT DOKU ID TX LANGUAGE E
Create the material in your system again or correct the routing.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message IW277 indicates that a task list for a specific material does not exist in the specified plant. This error typically occurs when you are trying to create or modify a maintenance order or task list, and the system cannot find the required task list for the material in the specified plant.
Cause: Missing Task List: The most common cause is that the task list for the specified material and plant has not been created or is not available in the system. Incorrect Material or Plant: The material number or plant code entered may be incorrect, leading to the system not being able to find the corresponding task list. Data Migration Issues: If data has been migrated from another system, there may be inconsistencies or missing entries in the task list data. Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or access the task list for the
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