Hi Team, I am trying create a package with pdf document part of package. I am getting below Error. {"messageKey":"error.validation.verifyDocument.couldNotBeFlattened","message":"Could not upload PDF document: it contains a syntax error preventing proper processing of its data.","code":400,"name":"Validation Error"} The PDF File i am using has PDF FORM Sigature Fields which were prepared by XML/SOAP based silanis Integration module. I have created Approval block with field to Extract existing Signature Blocks in PDF Form.