diff -r 3fccf43160a7 -r 07b44a378ad8 server/src/app/Libraries/Transcript/TranscriptConverterBase.php
--- a/server/src/app/Libraries/Transcript/TranscriptConverterBase.php	Wed Sep 28 17:24:02 2016 +0200
+++ b/server/src/app/Libraries/Transcript/TranscriptConverterBase.php	Fri Sep 30 00:43:04 2016 +0200
@@ -9,7 +9,7 @@
 
 abstract class TranscriptConverterBase implements Transcriptconverterinterface {
 
-    public function __construct(Document $document, string $source, string $creationDate = null) {
+    public function __construct(Document $document, $source, $creationDate = null) {
         $this->resJSON = [];
         $this->document = $document;