Message type: E = Error
Message class:  IW - Order Processing 
Message number: 294
Message text: A change in the relevancy for materials planning is not possible
You wanted to change the relevancy to materials planning.
The system resets the entry to its original value.
Where necessary, delete the components and recreate them with a
different relevancy to materials planning. It is guaranteed here that
Purchasing or <DS:GLOS.requirements_planning>requirements planning</>
can take into account the altered requirement.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message IW294, which states "A change in the relevancy for materials planning is not possible," typically occurs when there is an attempt to change the planning relevance of a material that is not allowed due to certain conditions or settings in the system. This error is often encountered in the context of maintenance planning and materials management. Causes: Material Status: The material may have a status that prevents changes, such as being locked or in a restricted state. Existing Orders: If there are existing orders (e.g., maintenance orders, production orders) that reference the material, changes to its planning relevance may be restricted. Configuration Settings: The configuration settings in the system may not allow changes to the planning relevance for certain materials or under certain conditions. User Authorizations: The user may not have the necessary authorizations to make changes to the material's planning relevance. Material Type: Certain material types may have restrictions on changing
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