An error occurred while initializing the Runtime: Could not retrieve version information from system tables. No records found in the version system table!

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Hi,   My app was working fine until I updated from version 9.24 to 10.1.   Below is a copy of the message and stack trace.   Please help.   Thanks   An error occurred while initializing the Runtime: Could not retrieve version information from system tables. No records found in the version system table! -------- com.mendix.m2ee.api.AdminException: An error occurred while initializing the Runtime: Could not retrieve version information from system tables. No records found in the version system table!     at com.mendix.basis.impl.MxRuntimeImplBase.start(MxRuntimeImplBase.java:253) Caused by: com.mendix.connectionbus.ConnectionBusRuntimeException: Could not retrieve version information from system tables. No records found in the version system table!     at com.mendix.connectionbus.modelsynchronization.analysis.SystemVersionTableUtils$.getVersionDetail(SystemVersionTableUtils.scala:81)     at com.mendix.connectionbus.modelsynchronization.analysis.SystemVersionTableUtils$.getSystemVersionTableContents(SystemVersionTableUtils.scala:75)     at com.mendix.connectionbus.modelsynchronization.analysis.SystemVersionTableUtils$.getVersionsAndLastSyncDate(SystemVersionTableUtils.scala:41)     at com.mendix.connectionbus.modelsynchronization.analysis.mappingreaders.DatabaseMappingReader$.getDatabaseMappingModel(DatabaseMappingReader.scala:28)     at com.mendix.connectionbus.modelsynchronization.analysis.mappingreaders.DatabaseMappingReader$.$anonfun$getDatabaseMappingModel$1(DatabaseMappingReader.scala:19)     at scala.util.Using$.resource(Using.scala:262)     at com.mendix.connectionbus.modelsynchronization.analysis.mappingreaders.DatabaseMappingReader$.getDatabaseMappingModel(DatabaseMappingReader.scala:19)     at com.mendix.connectionbus.ConnectionBusImpl.fillMappingCache(ConnectionBusImpl.scala:390)     at com.mendix.connectionbus.ConnectionBusImpl.getInitialDatabaseCommands(ConnectionBusImpl.scala:385)     at com.mendix.basis.impl.MxRuntimeImplBase.collectDdlCommands(MxRuntimeImplBase.java:354)     at com.mendix.basis.impl.MxRuntimeImplBase.doSynchronization(MxRuntimeImplBase.java:271)     at com.mendix.basis.impl.MxRuntimeImplBase.startConnectionBus(MxRuntimeImplBase.java:260)     at com.mendix.basis.impl.MxRuntimeImplBase.start(MxRuntimeImplBase.java:232)     at com.mendix.m2ee.appcontainer.actions.StartAction.startRuntime(StartAction.scala:30)     at com.mendix.m2ee.appcontainer.actions.StartAction.execute(StartAction.scala:17)     at com.mendix.m2ee.appcontainer.server.handler.HttpAdminHandlerBase.service(HttpAdminHandlerBase.java:128)     at javax.servlet.http.HttpServlet.service(HttpServlet.java:750)     at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)     at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:529)     at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)     at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)     at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)     at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)     at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)     at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)     at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)     at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)     at org.eclipse.jetty.server.Server.handle(Server.java:563)     at org.eclipse.jetty.server.HttpChannel.lambda$handle$0(HttpChannel.java:505)     at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:762)     at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:497)     at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:282)     at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)     at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)     at org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)     at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:416)     at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:385)     at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:272)     at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.lambda$new$0(AdaptiveExecutionStrategy.java:140)     at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:411)     at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)     at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)     at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)     at java.base/java.lang.Thread.run(Thread.java:834)  
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