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I'm getting a error message by uploading some pdf files to the Review module.

'Fail during processing file: Fail during uploading the document to s3: Invalid array length'

The private data is available after 'other notification' and 'mail notification' but not after the 'reviewed file' connections

I want to send a notification email incl. the review url and link name that the proof is reviewed to the customer. But after the job went through the 'reviewed file' connection, the private data [Job.PrivateData:Key="com.enfocus.PDFReviewModule.FileURL"] and [Job.PrivateData:Key="com....

Is there some way to get access on the private data after the job is reviewed?