dropzone error: MendixRuntimeException: The specified file document could not be retrieved.
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Hi, Did a quick test with the dropzone widget and encounter the following error: dropzone error in the form (hoover above file that errors): <html><body><textarea>{"type":"exception","description":"Uploading file failed: The specified file document could not be retrieved.","result":560}</textarea></body></html> In the log: Uploading file failed: The specified file document could not be retrieved. -------- com.mendix.systemwideinterfaces.MendixRuntimeException: The specified file document could not be retrieved. at jv.b(SourceFile:340) at jv.a(SourceFile:174) at jv.a(SourceFile:111) at jv.a(SourceFile:84) at jv.processRequest(SourceFile:77) at jx.a(SourceFile:74) at com.mendix.core.MxRuntime.processRequest(SourceFile:917) at com.mendix.m2ee.server.handler.RuntimeHandler.handle(RuntimeHandler.java:45) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:111) at org.eclipse.jetty.server.Server.handle(Server.java:351) at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:454) at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:900) at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:954) at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:857) at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235) at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:77) at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:609) at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:45) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:599) at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:534) at java.lang.Thread.run(Thread.java:662)