Message type: E = Error
Message class: MY - Messages for Balance Sheet Valuation(Low.Val.Det./LIFO/FIFO)
Message number: 420
Message text: Error during document number assignment
No document number could be assigned for the following criteria:
Number range object: ML document
Number range: &V1&
Fiscal Year: &V2&
Processing is terminated.
Use the program <LS>Number Range: Material Ledger Document</>
(transaction <DS><DS:TRAN.OMX4>OMX4</></> to check the number range
interval for number range object <(>&<)>1.
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.
MY420
- Error during document number assignment ?The SAP error message MY420, which states "Error during document number assignment," typically occurs when there is an issue with the assignment of document numbers in the system. This can happen in various modules, such as Materials Management (MM) or Financial Accounting (FI), where document numbers are crucial for tracking transactions. Causes of MY420 Error Number Range Issues: The most common cause is that the number range for the document type being used is either exhausted or not properly configured. This can happen if the number range is set to a limited range and all numbers have been assigned. Document Type Configuration: The document type may not be correctly configured in the system. This includes settings related to number ranges, document types, or the assignment of number ranges to specific document types. Authorization Issues: Sometimes, the user may not have the necessary authorizations to create or assign document numbers. System Configuration Errors: There may be
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