Cant open app in studio pro - KeyNotFoundException

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Hi all, I'm encountering an issue that prevents me from opening an app in Studio Pro 10.12.4. I've searched extensively but couldn't find a solution. I've included the error details below. Has anyone encountered this issue recently or knows of a fix? I'd appreciate any help. Thanks.   Error Details: System.Collections.Generic.KeyNotFoundException: The given key 'd042321d-758e-4b04-8a5a-34f1d1c2cb00' was not present in the dictionary.   at System.Collections.Generic.Dictionary`2.get_Item(TKey key)   at Mendix.Modeler.Storage.Operations.UnitContentsLoader.ConvertFromStorage(IStorageUnit containingUnit, IStorageObject obj, ICachedProperty prop, JToken token) in Mendix.Modeler.Storage\Operations\UnitContentsLoader.cs:line 136   at Mendix.Modeler.Storage.Operations.UnitContentsLoader.FillProperties(IStorageUnit containingUnit, IStorageObject obj, JObject jObject, ICachedType cachedType) in Mendix.Modeler.Storage\Operations\UnitContentsLoader.cs:line 102   at Mendix.Modeler.Storage.Operations.UnitContentsLoader.ConstructObjectInternal(IStorageUnit containingUnit, IStorageObject container, JObject jObject) in Mendix.Modeler.Storage\Operations\UnitContentsLoader.cs:line 64   at Mendix.Modeler.Storage.Operations.UnitContentsLoader.ConvertFromStorage(IStorageUnit containingUnit, IStorageObject obj, ICachedProperty prop, JToken token) in Mendix.Modeler.Storage\Operations\UnitContentsLoader.cs:line 137   at Mendix.Modeler.Storage.Operations.UnitContentsLoader.FillProperties(IStorageUnit containingUnit, IStorageObject obj, JObject jObject, ICachedType cachedType) in Mendix.Modeler.Storage\Operations\UnitContentsLoader.cs:line 102   at Mendix.Modeler.Storage.Operations.UnitContentsLoader.ConstructObjectInternal(IStorageUnit containingUnit, IStorageObject container, JObject jObject) in Mendix.Modeler.Storage\Operations\UnitContentsLoader.cs:line 64   at Mendix.Modeler.Storage.Operations.UnitContentsLoader.ConvertFromStorage(IStorageUnit containingUnit, IStorageObject obj, ICachedProperty prop, JToken token) in Mendix.Modeler.Storage\Operations\UnitContentsLoader.cs:line 137   at Mendix.Modeler.Storage.Operations.UnitContentsLoader.FillProperties(IStorageUnit containingUnit, IStorageObject obj, JObject jObject, ICachedType cachedType) in Mendix.Modeler.Storage\Operations\UnitContentsLoader.cs:line 98   at Mendix.Modeler.Storage.Operations.UnitContentsLoader.ConstructObjectInternal(IStorageUnit containingUnit, IStorageObject container, JObject jObject) in Mendix.Modeler.Storage\Operations\UnitContentsLoader.cs:line 64   at Mendix.Modeler.Storage.Operations.UnitContentsLoader.ConvertFromStorage(IStorageUnit containingUnit, IStorageObject obj, ICachedProperty prop, JToken token) in Mendix.Modeler.Storage\Operations\UnitContentsLoader.cs:line 137   at Mendix.Modeler.Storage.Operations.UnitContentsLoader.FillProperties(IStorageUnit containingUnit, IStorageObject obj, JObject jObject, ICachedType cachedType) in Mendix.Modeler.Storage\Operations\UnitContentsLoader.cs:line 102   at Mendix.Modeler.Storage.Operations.UnitContentsLoader.ConstructObjectInternal(IStorageUnit containingUnit, IStorageObject container, JObject jObject) in Mendix.Modeler.Storage\Operations\UnitContentsLoader.cs:line 64   at Mendix.Modeler.Storage.Operations.UnitContentsLoader.ConvertFromStorage(IStorageUnit containingUnit, IStorageObject obj, ICachedProperty prop, JToken token) in Mendix.Modeler.Storage\Operations\UnitContentsLoader.cs:line 137   at Mendix.Modeler.Storage.Operations.UnitContentsLoader.FillProperties(IStorageUnit containingUnit, IStorageObject obj, JObject jObject, ICachedType cachedType) in Mendix.Modeler.Storage\Operations\UnitContentsLoader.cs:line 98   at Mendix.Modeler.Storage.Operations.UnitContentsLoader.ConstructObjectInternal(IStorageUnit containingUnit, IStorageObject container, JObject jObject) in Mendix.Modeler.Storage\Operations\UnitContentsLoader.cs:line 64   at Mendix.Modeler.Storage.Operations.UnitContentsLoader.ConvertFromStorage(IStorageUnit containingUnit, IStorageObject obj, ICachedProperty prop, JToken token) in Mendix.Modeler.Storage\Operations\UnitContentsLoader.cs:line 137   at Mendix.Modeler.Storage.Operations.UnitContentsLoader.FillProperties(IStorageUnit containingUnit, IStorageObject obj, JObject jObject, ICachedType cachedType) in Mendix.Modeler.Storage\Operations\UnitContentsLoader.cs:line 98   at Mendix.Modeler.Storage.Operations.UnitContentsLoader.ConstructObjectInternal(IStorageUnit containingUnit, IStorageObject container, JObject jObject) in Mendix.Modeler.Storage\Operations\UnitContentsLoader.cs:line 64   at Mendix.Modeler.Storage.Operations.UnitContentsLoader.ConstructUnitFromContents(IStorageUnit container, Byte[] contents) in Mendix.Modeler.Storage\Operations\UnitContentsLoader.cs:line 39   at Mendix.Modeler.Storage.Operations.UnitLoader.ConstructUnit(IStorageUnit container, IMprUnitData unitData) in Mendix.Modeler.Storage\Operations\UnitLoader.cs:line 193   at Mendix.Modeler.Storage.Operations.UnitLoader.<>c__DisplayClass16_0.<LoadUnits>b__0(IMprUnitData unitData) in Mendix.Modeler.Storage\Operations\UnitLoader.cs:line 163   at Mendix.Modeler.Storage.Mpr.Storage.MprUnitRepositoryBase.ExecuteLoadCommand(IDbCommand command, Boolean loadContents, Action`1 handleUnitData) in Mendix.Modeler.Storage\Mpr\Storage\MprUnitRepositoryBase.cs:line 183   at Mendix.Modeler.Storage.Mpr.Storage.MprUnitRepositoryBase.LoadUnitsBatched(IEnumerable`1 unitIDs, Boolean loadContents, Action`1 handleUnitData) in Mendix.Modeler.Storage\Mpr\Storage\MprUnitRepositoryBase.cs:line 166   at Mendix.Modeler.Storage.Mpr.Storage.MprUnitRepositoryBase.LoadUnits(UnitQuery unitQuery, Boolean loadContents, Action`1 handleUnitData) in Mendix.Modeler.Storage\Mpr\Storage\MprUnitRepositoryBase.cs:line 118   at Mendix.Modeler.Storage.Operations.UnitLoader.LoadUnits(IStorageUnit unit, IEnumerable`1 unitIDs) in Mendix.Modeler.Storage\Operations\UnitLoader.cs:line 157   at Mendix.Modeler.Storage.Operations.UnitLoader.LoadChildUnits(IStorageUnit unit) in Mendix.Modeler.Storage\Operations\UnitLoader.cs:line 119   at Mendix.Modeler.Storage.Operations.UnitLoader.LoadChildUnits(IStorageUnit unit) in Mendix.Modeler.Storage\Operations\UnitLoader.cs:line 150   at Mendix.Modeler.Storage.Operations.UnitLoader.LoadChildUnits(IStorageUnit unit) in Mendix.Modeler.Storage\Operations\UnitLoader.cs:line 150   at Mendix.Modeler.Storage.Operations.UnitLoader.LoadChildUnits(IStorageUnit unit) in Mendix.Modeler.Storage\Operations\UnitLoader.cs:line 150   at Mendix.Modeler.Storage.Operations.UnitLoader.LoadChildUnits(IStorageUnit unit) in Mendix.Modeler.Storage\Operations\UnitLoader.cs:line 150   at Mendix.Modeler.Storage.Operations.UnitLoader.Load[T](IProgressInfo info, Dictionary`2 _knownUnits) in Mendix.Modeler.Storage\Operations\UnitLoader.cs:line 48   at Mendix.Modeler.Storage.Database.Load[T](IProgressInfo info, Dictionary`2 knownUnits, Boolean throwOnUnknownObjects) in Mendix.Modeler.Storage\Database.cs:line 50   at Mendix.Modeler.Operations.ProjectFileLoader.<>c__DisplayClass3_0.<Load>b__0(IDatabase database) in Mendix.Modeler.Core\Operations\ProjectFileLoader.cs:line 30   at Mendix.Modeler.Storage.DatabaseManager.<>c__DisplayClass12_0`1.<Do>b__0(IDbConnector connector) in Mendix.Modeler.Storage\DatabaseManager.cs:line 77   at Mendix.Modeler.Storage.DbConnectors.SQLiteConnector.<>c__DisplayClass2_0`1.<Do>b__1() in Mendix.Modeler.Storage\DbConnectors\SQLiteConnector.cs:line 45   at Mendix.Modeler.Storage.DbConnectors.DbConnector.WithoutTransactionDo[TResult](Func`1 action) in Mendix.Modeler.Storage\DbConnectors\DbConnector.cs:line 53   at Mendix.Modeler.Storage.DbConnectors.SQLiteConnector.Do[TResult](String filePath, Boolean useTransaction, Func`2 action, Boolean forceNewConnector) in Mendix.Modeler.Storage\DbConnectors\SQLiteConnector.cs:line 43   at Mendix.Modeler.Storage.DatabaseManager.Do[TResult](String filePath, Boolean useTransaction, Func`2 action) in Mendix.Modeler.Storage\DatabaseManager.cs:line 73   at Mendix.Modeler.Operations.ProjectFileLoader.Load(IProgressInfo info, String filePath, Boolean debugLogEnabled) in Mendix.Modeler.Core\Operations\ProjectFileLoader.cs:line 26
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1 answers
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Hi Izaac, 

               Try to do a fresh checkout of the app in new folder. If new checkout is also showing same error, try to check out previous version of the app and check it out.

answered