Message type: E = Error
Message class:  /SAPAPO/RRP -  
Message number: 349
Message text: Phantom assemblies cannot be deleted
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The SAP error message /SAPAPO/RRP349 Phantom assemblies cannot be deleted typically occurs in the context of Advanced Planning and Optimization (APO) when trying to delete a phantom assembly from the planning book or the product hierarchy. Phantom assemblies are special types of assemblies in SAP that are used to simplify the planning process by grouping components together without creating a physical stock.
Cause: Phantom Assembly Definition: The item you are trying to delete is defined as a phantom assembly in the system. Phantom assemblies are not meant to be deleted in the same way as regular assemblies because they serve a specific purpose in the planning process. Dependencies: There may be dependencies or links to other planning objects or processes that prevent the deletion of the phantom assembly. Planning Book Settings: The settings in the planning book may restrict the deletion of certain types of items, including phantom assemblies.
Solution: Check Dependencies: Review any dependencies or
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