An unknown error occurred while starting the server

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 from 2 days onwards i am facing this error. Please help me for this.    Mendix.Modeler.M2EEConnector.M2EEException: The server encountered an error.   at Mendix.Modeler.M2EEConnector.M2EEResponse.CheckSuccess() in Mendix.Modeler.M2EEConnector\M2EEResponse.cs:line 57   at Mendix.Modeler.M2EEConnector.M2EEClient.ExecuteDdlCommands(IFileSystem fileSystem, DdlCommands ddlCommands, String ddlCommandsLogDir) in Mendix.Modeler.M2EEConnector\M2EEClient.cs:line 306   at Mendix.Modeler.M2EEConnector.StartupManager.StartRuntime(IM2EEClient client, StartupInfo info) in Mendix.Modeler.M2EEConnector\StartupManager.cs:line 119   at Mendix.Modeler.M2EEConnector.StartupManager.PerformStartup(StartupInfo info, String deploymentId, IM2EEClient client) in Mendix.Modeler.M2EEConnector\StartupManager.cs:line 61   at Mendix.Modeler.M2EEConnector.RuntimeController.Start(StartupInfo info, String deploymentId, LogLevel autoSubscribeLogLevel) in Mendix.Modeler.M2EEConnector\RuntimeController.cs:line 136   at Mendix.Modeler.Deployment.Local.LocalRunner.<>c__DisplayClass96_0.<RuntimeLaunched>b__1() in Mendix.Modeler.Deployment\Local\LocalRunner.cs:line 423   at Mendix.Modeler.Utility.BackgroundUtil.<>c__DisplayClass1_0`1.<Do>b__0(Object s, DoWorkEventArgs e) in Mendix.Modeler.Utility\BackgroundUtil.cs:line 29   at System.ComponentModel.BackgroundWorker.OnDoWork(DoWorkEventArgs e)   at System.ComponentModel.BackgroundWorker.WorkerThreadStart(Object argument)
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Hi Anjali Mandala,

 

This is database connection error because you did some changes on domain model changes the  association like one to one to one to many  or one to many to many to many or vice versa so that old data association were still their when run time it shows like above mentioned error so delete old data add new data it will work.

 

I hope it will help you!

 

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Thank you, 

K. Ravi Kumar.

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