Error when trying to open app in studio pro

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Hello, everytime I try to open an app in studio pro I click on refresh on the right of Team Server in the “Open App” popup and get following error: Mendix.Modeler.Sprintr.SprintrConnectorException: Error while retrieving sprintr projects. ---> System.ServiceModel.CommunicationException: Error in deserializing body of reply message for operation 'GetProjectsV4'. ---> System.InvalidOperationException: There is an error in XML document (1, 96012). ---> System.Xml.XmlException: The maximum string content length quota (65536) has been exceeded while reading XML data. This quota may be increased by changing the MaxStringContentLength property on the XmlDictionaryReaderQuotas object used when creating the XML reader. Line 1, position 96012. at System.Xml.XmlExceptionHelper.ThrowXmlException(XmlDictionaryReader reader, String res, String arg1, String arg2, String arg3) at System.Xml.XmlExceptionHelper.ThrowMaxStringContentLengthExceeded(XmlDictionaryReader reader, Int32 maxStringContentLength) at System.Xml.XmlDictionaryReader.ReadString(Int32 maxStringContentLength) at System.Xml.XmlBaseReader.ReadElementString() at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderModelerIntegrationPortType.Read52_GetProjectsV4ResponseProjects(Boolean isNullable, Boolean checkType) at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderModelerIntegrationPortType.Read75_Item() at System.Xml.Serialization.XmlSerializer.Deserialize(XmlReader xmlReader, String encodingStyle, XmlDeserializationEvents events) --- End of inner exception stack trace --- at System.Xml.Serialization.XmlSerializer.Deserialize(XmlReader xmlReader, String encodingStyle, XmlDeserializationEvents events) at System.ServiceModel.Dispatcher.XmlSerializerOperationFormatter.DeserializeBody(XmlDictionaryReader reader, MessageVersion version, XmlSerializer serializer, MessagePartDescription returnPart, MessagePartDescriptionCollection bodyParts, Object[] parameters, Boolean isRequest) --- End of inner exception stack trace --- Server stack trace: at System.ServiceModel.Dispatcher.XmlSerializerOperationFormatter.DeserializeBody(XmlDictionaryReader reader, MessageVersion version, XmlSerializer serializer, MessagePartDescription returnPart, MessagePartDescriptionCollection bodyParts, Object[] parameters, Boolean isRequest) at System.ServiceModel.Dispatcher.XmlSerializerOperationFormatter.DeserializeBody(XmlDictionaryReader reader, MessageVersion version, String action, MessageDescription messageDescription, Object[] parameters, Boolean isRequest) at System.ServiceModel.Dispatcher.OperationFormatter.DeserializeBodyContents(Message message, Object[] parameters, Boolean isRequest) at System.ServiceModel.Dispatcher.OperationFormatter.DeserializeReply(Message message, Object[] parameters) at System.ServiceModel.Dispatcher.ProxyOperationRuntime.AfterReply(ProxyRpc& rpc) at System.ServiceModel.Channels.ServiceChannel.HandleReply(ProxyOperationRuntime operation, ProxyRpc& rpc) at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout) at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation) at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message) Exception rethrown at [0]: at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) at Mendix.Modeler.SprintrConnector.SprintrService.ModelerIntegrationPortType.GetProjectsV4(GetProjectsV4Request request) at Mendix.Modeler.Sprintr.SprintrConnector.GetProjectsV4() in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Core\Sprintr\SprintrConnector.v4.cs:line 16 at Mendix.Modeler.Sprintr.SprintrConnector.GetProjects() in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Core\Sprintr\SprintrConnector.cs:line 115 --- End of inner exception stack trace --- at Mendix.Modeler.Sprintr.SprintrConnector.HandleSprintrException(Exception e, String actionDescription) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Core\Sprintr\SprintrConnector.cs:line 199 at Mendix.Modeler.Sprintr.SprintrConnector.GetProjects() in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Core\Sprintr\SprintrConnector.cs:line 123 at Mendix.Modeler.Sprintr.SprintrConnector.RefreshProjects() in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Core\Sprintr\SprintrConnector.cs:line 93 at Mendix.Modeler.Sprintr.SprintrConnectorUI.RefreshProjects() in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Core\Sprintr\SprintrConnectorUI.cs:line 35   What can I do to prevent this error? I’m using Studio Pro 8.16.0, but I have the same problem in the previous 8.15.2
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2 answers
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Hello Lukas,

It looks like the call that Studio Pro makes to service `GetProjectsV4` returns too much content (more than 65536 characters, apparently 96012 characters). I also recommend you to file a ticket.

If you feel adventurous you could try to modify the values for `maxStringContentLength` inside `studiopro.exe.config` (located in the same folder as `studiopro.exe`) to a value bigger than “96012”, but that might only work as a temporary workaround.

Regards,

Paul

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Sign out and sign in again in Studio Pro and try again. If the problem persists, I think you should file a ticket with support.

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