Error after opening project in bizagi management console v11.2.4.0293


When i open my deployed Project on production server by bizagi management console i get this error on opening:

Error value cannot be null
parameter name: source

and project cannot be opened.

this Project was ver and upgraded to ver by bizagi studio then deployed to production for first time by one click deployment.

bizagi version:

MC appsettings:

<?xml version="1.0" encoding="utf-8"?>


<add key="AllowUpdateProjectsOlderThan11" value="false" />

<add key="BizAgiHelp" value=""; />

<add key="CheckForUpdates" value="false" />

<add key="CompileForJEE" value="TRUE" />

<add key="CredentialLifeTime(InMinutes)" value="10" />

<add key="Culture" value="en-US" />

<add key="DisableOperationService" value="false" />

<add key="DSNDB" value="Persist Security Info=True;User ID=sa;Password=CRYPT.1:q5pNciLrG6q2XA5+9k/tWA==;Data Source=BIZAGI-PC;Initial Catalog=MyProject;" />

<add key="Edition" value="Engine" />

<add key="EnableRuntimeTraces" value="false" />

<add key="EnableSchedulerUpgradeOption" value="true" />

<add key="EnableSelectPlatform" value="TRUE" />

<add key="EnableWebFormsLog" value="False" />

<add key="HideJEEProjects" value="true" />

<add key="HideOracleProject" value="false" />

<add key="Infragistics.ColorScheme" value="Silver" />

<add key="JEE_Home" value="C:/BizagiJEE/" />

<add key="JEE_JbossPort" value="8080" />

<add key="LocationFrmMain" value="" />

<add key="MigrateUsersToStakeholder" value="False" />

<add key="OracleBatchSize" value="9000" />

<add key="OracleBatchTimeout" value="9999" />

<add key="Password" value="CRYPT.1:q5pNciLrG6q2XA5+9k/tWA==" />

<add key="Project" value="MyProject" />

<add key="PROVIDERTYPE" value="MSSqlClient" />

<add key="RibbonControl.eOffice2007ColorScheme" value="Silver" />

<add key="RibbonControl.IsPredefinedColorSchema" value="false" />

<add key="RibbonControl.PredefinedColorScheme" value="#000000" />

<add key="RibbonControl.QatLayout" value="0,btnHome,btnLaunchApplication" />

<add key="Server" value="BIZAGI-PC" />

<add key="SizeFrmMain" value="" />

<add key="SqlBatchSize" value="0" />

<add key="SqlBatchTimeout" value="0" />

<add key="User" value="sa" />

<add key="ValidateFormsAndQueryFormsMigration" value="false" />

<add key="ValidateRulesMigration" value="false" />

<add key="ValidateScopesSupportMigration" value="false" />

<add key="WebServer" value="BIZAGI-PC" />

<add key="WebServiceDomain" value="" />

<add key="WebServicePassword" value="" />

<add key="WebServiceUserName" value="" />

<add key="XPathEditorImplementationType" value="Version02" />