How to skip sequentially processing of FTP-Adapter

Hello,
well we have the problem that on ftp are many files from many sources.
Sometimes one source send wrong structure in file that the processing is stopped.
It's stopped even though there are files in directory which are in right structure. But because the wrong files are "before" the right files the adapter is not processing the right structured files!
So how to get the adapter to process the "good" files?!
Quality of Service is not helping here!
Can someone help?
br

Dear Fritz,
You can Validate XML Paylod in PI 7.1, But this option is not available in lower versions.
Check here for the same
[Validating Source XMLPayload|https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/5002ac06-aff3-2a10-6798-cbe11ca35535]
I think we can write an adapter module to filter unwanted XML payloads to be processed.
Best Regards
Praveen

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