I lost progression, where do I go to report/resolve it?

I just noticed as I started playing survivor that I lost like 4 levels on Claudette. It has happened before, but I have no idea what to do about it.
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I just noticed as I started playing survivor that I lost like 4 levels on Claudette. It has happened before, but I have no idea what to do about it.
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https://support.deadbydaylight.com/hc/en-us