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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.
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M3642 From lot size may not be greater than "to" lot size
Self-Explanatory Message Since SAP believes that this specific error message is ...
M3641 Program terminated while creating new production versions (update)
What causes this issue? The production versions could not be created when the p...
M3644 No matching alternative BOM exists
What causes this issue? Either the combination of alternative BOM and BOM usage...
M3645 No task list exists
What causes this issue? No task list exists for this material. This may be beca...
SAP messages fall into 3 different categories: Error messages
(message type = E), Warnings (W) or Informational (I) messages.
An error message will prevent you from continuing your work - it is a hard stop and you need to fix the error before you can proceed. A warning message will stop your work, however, you can then bypass the warning by pressing the Enter key on your keyboard. That said, it is still good practice to investigate the cause of the warning message and address it. An information message will not stop your work and is truly just for informational purposes.
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