Message type: E = Error
Message class:  FKK_ID_XX_ODN - ODN message 
Message number: 090
Message text: Chronological numbering per number range must be consistent
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The SAP error message FKK_ID_XX_ODN090 indicates that there is an inconsistency in the chronological numbering of documents within a specific number range. This typically occurs in the context of contract accounts receivable and payable (FI-CA) when the system detects that the sequence of document numbers does not follow the expected order.
Cause: Manual Interventions: If document numbers are manually entered or adjusted, it can lead to gaps or out-of-sequence numbers. Data Migration Issues: During data migration or system upgrades, inconsistencies can arise if the data is not properly validated. Parallel Processing: If multiple processes are trying to create documents simultaneously, it can lead to conflicts in number assignment. Configuration Errors: Incorrect configuration of number ranges or settings in the system can also lead to this error.
Solution: Check Number Range Configuration: Go to the transaction code SNRO (Number Range Objects) and check the configuration for the relevant number range. Ensure that the number range is set up
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