Message type: E = Error
Message class: M3 - Material Master
Message number: 643
Message text: No bill of material exists
No bill of material (BOM) exists yet for this material, for example,
because
you have only just started to create the material master record
you have not yet created a BOM in the system for this material
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.
M3643
- No bill of material exists ?The SAP error message M3643 "No bill of material exists" typically occurs when you are trying to create or process a production order, material requirement planning (MRP), or similar transactions that require a Bill of Materials (BOM) for a specific material, but the system cannot find a BOM for that material.
Cause: Missing BOM: The most common cause is that a BOM has not been created for the material in question. Incorrect Material Type: The material may not be set up to have a BOM, or it may be of a type that does not require a BOM. Plant/Location Issues: The BOM may exist, but it is not assigned to the plant or location you are working with. Status of BOM: The BOM may be inactive or not valid for the date range you are trying to use it. Incorrect Configuration: There may be configuration issues in the system that prevent the BOM from being recognized.
Solution: Create
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