How to get rid of (Value cannot be null. (Parameter context)) error?
0
I am almost done creating my app and I wanted to run my application. I got rid of all of the errors at the bottom of my Mendix in order to run the app and clicked run. When i click run this error comes up: System.AggregateException: One or more errors occurred. (Value cannot be null. (Parameter 'context')) ---> System.ArgumentNullException: Value cannot be null. (Parameter 'context') at Mendix.Modeler.Common.IdentifierUtil.Resolve[T](IIdentifier`1 identifier, IHasContext context) in Mendix.Modeler.Core\Common\Usages\IdentifierUtil.cs:line 17 at Mendix.Modeler.WebUI.Export.Security.AccessChecker.CheckEntityPath(EntityPath entityPath, IEntity enclosingEntity, IUserRole userRole) in Mendix.Modeler.WebUI.Export\Security\AccessChecker.cs:line 22 at Mendix.Modeler.WebUI.Export.Security.SecurityCheckVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Security\SecurityCheckVisitor.cs:line 0 at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51 at Mendix.Modeler.WebUI.Export.Visitors.ProjectVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Visitors\ProjectVisitor.cs:line 0 at Mendix.Modeler.WebUI.Export.Security.SecurityCheckVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Security\SecurityCheckVisitor.cs:line 109 at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51 at Mendix.Modeler.WebUI.Export.Visitors.ProjectVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Visitors\ProjectVisitor.cs:line 0 at Mendix.Modeler.WebUI.Export.Security.SecurityCheckVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Security\SecurityCheckVisitor.cs:line 109 at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51 at Mendix.Modeler.WebUI.Export.Visitors.ProjectVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Visitors\ProjectVisitor.cs:line 0 at Mendix.Modeler.WebUI.Export.Security.SecurityCheckVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Security\SecurityCheckVisitor.cs:line 109 at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51 at Mendix.Modeler.WebUI.Export.Visitors.ProjectVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Visitors\ProjectVisitor.cs:line 0 at Mendix.Modeler.WebUI.Export.Security.SecurityCheckVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Security\SecurityCheckVisitor.cs:line 109 at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51 at Mendix.Modeler.WebUI.Export.Visitors.ProjectVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Visitors\ProjectVisitor.cs:line 0 at Mendix.Modeler.WebUI.Export.Security.SecurityCheckVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Security\SecurityCheckVisitor.cs:line 109 at Mendix.Modeler.WebUI.Export.Security.SecurityCheckVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Security\SecurityCheckVisitor.cs:line 75 at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51 at Mendix.Modeler.WebUI.Export.Visitors.ProjectVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Visitors\ProjectVisitor.cs:line 0 at Mendix.Modeler.WebUI.Export.Security.SecurityCheckVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Security\SecurityCheckVisitor.cs:line 109 at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51 at Mendix.Modeler.WebUI.Export.Visitors.ProjectVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Visitors\ProjectVisitor.cs:line 0 at Mendix.Modeler.WebUI.Export.Security.SecurityCheckVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Security\SecurityCheckVisitor.cs:line 109 at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51 at Mendix.Modeler.WebUI.Export.Visitors.ProjectVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Visitors\ProjectVisitor.cs:line 0 at Mendix.Modeler.WebUI.Export.Security.SecurityCheckVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Security\SecurityCheckVisitor.cs:line 109 at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51 at Mendix.Modeler.WebUI.Export.Visitors.ProjectVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Visitors\ProjectVisitor.cs:line 0 at Mendix.Modeler.WebUI.Export.Security.SecurityCheckVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Security\SecurityCheckVisitor.cs:line 109 at Mendix.Modeler.WebUI.Export.Security.SecurityCheckVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Security\SecurityCheckVisitor.cs:line 0 at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51 at Mendix.Modeler.WebUI.Export.Visitors.ProjectVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Visitors\ProjectVisitor.cs:line 0 at Mendix.Modeler.WebUI.Export.Security.SecurityCheckVisitor.Process(IDocumentObject obj, Trace trace) in Mendix.Modeler.WebUI.Export\Security\SecurityCheckVisitor.cs:line 109 at Mendix.Modeler.WebUI.Export.Visitors.ObjectVisitor.Visit(IDocumentObject startingPoint, Trace initialTrace) in Mendix.Modeler.WebUI.Export\Visitors\ObjectVisitor.cs:line 34 at Mendix.Modeler.WebUI.Export.Security.SecurityCheck.<>c__DisplayClass2_0.<Check>b__2(NavigationProfileBase p) in Mendix.Modeler.WebUI.Export\Security\SecurityCheck.cs:line 38 at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51 at Mendix.Modeler.WebUI.Export.Security.SecurityCheck.Check(IProject project, ProjectChanges changes, IProblems problems, CancellationToken cancellationToken) in Mendix.Modeler.WebUI.Export\Security\SecurityCheck.cs:line 34 at Mendix.Modeler.Projects.Checks.ProjectChecker.<>c__DisplayClass6_0.<RunProjectChecks>b__1(ProjectChanges changes) in Mendix.Modeler.Core\Projects\Checks\ProjectChecker.cs:line 61 at Mendix.Modeler.Projects.Changes.ChangedDocumentTracker.TryProcessChangesSync(Action`1 changeProcessor) in Mendix.Modeler.Core\Projects\Changes\ChangedDocumentTracker.cs:line 30 at Mendix.Modeler.Projects.Checks.ProjectChecker.<>c__DisplayClass6_0.<RunProjectChecks>b__0() in Mendix.Modeler.Core\Projects\Checks\ProjectChecker.cs:line 53 at Mendix.Modeler.Common.ResolveCache.<>c__DisplayClass10_0.<WithCache>b__0() in Mendix.Modeler.Core\Common\Problems\ResolveCache.cs:line 45 at Mendix.Modeler.Common.ResolveCache.WithCache[T](IProject project, Func`1 action) in Mendix.Modeler.Core\Common\Problems\ResolveCache.cs:line 62 at Mendix.Modeler.Common.ResolveCache.WithCache(IProject project, Action action) in Mendix.Modeler.Core\Common\Problems\ResolveCache.cs:line 43 at Mendix.Modeler.Projects.Checks.ProjectChecker.RunProjectChecks(IProject project, CancellationToken cancellationToken) in Mendix.Modeler.Core\Projects\Checks\ProjectChecker.cs:line 49 at Mendix.Modeler.Projects.Checks.ProjectChecker.<>c__DisplayClass5_0.<Check>b__0() in Mendix.Modeler.Core\Projects\Checks\ProjectChecker.cs:line 38 at Mendix.Modeler.ProtectedModules.ProtectedModulesUnlocker.ExecuteInContext[T](Boolean unlockImplementation, Func`1 code) in Mendix.Modeler.Core\ProtectedModules\ProtectedModulesUnlocker.cs:line 42 at Mendix.Modeler.ProtectedModules.ProtectedModulesUnlocker.Do[T](Boolean unlockImplementation, Func`1 action) in Mendix.Modeler.Core\ProtectedModules\ProtectedModulesUnlocker.cs:line 29 at Mendix.Modeler.Projects.Checks.ProjectChecker.Check(IProject project, CancellationToken cancellationToken) in Mendix.Modeler.Core\Projects\Checks\ProjectChecker.cs:line 38 at Mendix.Modeler.Core.View.Problems.BackgroundCheckRunner.Check(IProject project, CancellationToken cancellationToken) in Mendix.Modeler.Core.View.CrossPlatform\Problems\BackgroundCheckRunner.cs:line 41 at Mendix.Modeler.Core.View.Problems.BackgroundCheckRunner.Check(IProject project, CancellationToken cancellationToken) in Mendix.Modeler.Core.View.CrossPlatform\Problems\BackgroundCheckRunner.cs:line 50 --- End of inner exception stack trace --- Is there any way to get rid of this error? It is preventing me from running my app.
asked
Chase Joiner
1 answers
0
Hello Chase,
Are you using the page parameter in the listview? You could try to add a dataview with the Focus Area Card object and nest the listview inside the dataview and see if this resolves the issue.