Message type: E = Error
Message class:  ICC_FI_CN - Für die Meldungen extern vornum. Belege 
Message number: 017
Message text: Documents already contained in lot &1
A document lot (&v1&) has already been created in the current company
code for documents &v2& to &v3&. The lot that you are working on is for
the same document class and has the same official lot number. You can
only assign a document to one lot.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Enter documents not covered by lot &v1&.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message ICC_FI_CN017 indicates that there are documents that are already included in a lot (or batch) identified by the number &1. This error typically occurs in the context of financial transactions or document processing where a lot is used to group related documents for processing.
Cause: The primary cause of this error is that the system is trying to include documents in a lot that have already been processed or included in another lot. This can happen due to: Duplicate Processing: Attempting to add the same document to multiple lots. Incorrect Lot Assignment: The document may have been assigned to a different lot inadvertently. System
Configuration Issues: There may be issues with how lots are defined or managed in the system.
Solution: To resolve this error, you can take the following steps: Check Lot Assignment: Verify which documents are currently assigned to the lot &1. You can do this by checking the lot details in the
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