better error message for crosscheck when dictionary checks fail.

[yfarjoun]

Description

when many files are included in a crosscheck and a few of the files contain a problematic dictionary the exception will appear after all the files have been processed, but the error message will not inform the user of the problematic file(s). This change solves that by wrapping the fingerprinting calls in a try/catch and logging an error when this happens.

Moves the log message above the checkdictionary call and wraps fingerprinting in a try/catch to get an informative error message regarding the name of the file that caused the problem

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