# Oxygene 10 gives an internal error on some aspects code
**URL:** https://talk.remobjects.com/t/oxygene-10-gives-an-internal-error-on-some-aspects-code/17638
**Category:** Oxygene
**Created:** [October 12, 2018, 11:07am UTC](https://talk.remobjects.com/t/oxygene-10-gives-an-internal-error-on-some-aspects-code/17638 "2018-10-12T11:07:55Z")
**Posts on this page:** 5
**Page:** 1
### Author:  [@jeroenvandezan](https://talk.remobjects.com/u/jeroenvandezan)
#### Post date: [October 12, 2018, 11:07am UTC](https://talk.remobjects.com/t/oxygene-10-gives-an-internal-error-on-some-aspects-code/17638/1 "2018-10-12T11:07:56Z")
Remobjects Elements 10.0.0.2331 Visual Studio 2017 Community
- Unzip the included zip file:
[OxygeneAspects.zip](https://talk.remobjects.com/uploads/default/original/2X/f/f7a1f3c23ac8ab7bf6b9c930bc754781ee8ca38d.zip) (1.4 MB)
- Open the “PrismStandardAspects.sln” solution in Visual Studio 2017
- Compile
→ you get this compiler error:
(E0) Internal error: System.NullReferenceException: Object reference not set to an instance of an object.
at RemObjects.Oxygene.Code.AssignmentStatementTransform.ResolveStatement(ScopeInfo aScope, AssignmentStatement assignmentStatement)
at RemObjects.Oxygene.Code.Compiler.NewResolveExpressionAndStatement.VisitStatement(ScopeInfo aScope, Statement element)
at RemObjects.Oxygene.Code.BeginStatementTransform.ResolveStatement(ScopeInfo aScope, BeginStatement beginStatement)
at RemObjects.Oxygene.Code.Compiler.NewResolveExpressionAndStatement.VisitStatement(ScopeInfo aScope, Statement element)
at RemObjects.Oxygene.Code.AnonymousMethodExpressionTransform.ResolveAnonymousMethod(ScopeInfo aScope, AnonymousMethodExpression anonymousMethodExpression, BaseType aFixedDelegate, IList`1 aUnresolvedMethodArguments, Boolean aSkipReset, Boolean aNoEscape) at RemObjects.Oxygene.Code.AnonymousMethodExpressionTransform.SelectAnonymousMethod(ScopeInfo aScope, AnonymousMethodExpression anonymousMethodExpression, BaseType aFixedDelegate, IList`1 aUnresolvedMethodArguments, Boolean aSkipReset, Boolean aNoEscape)
at RemObjects.Elements.Cirrus.AspectInfo.FixAnonymousMethodToStatement(Compiler Caller, ScopeInfo aScope, AnonymousMethodExpression aMethod, Boolean aAuto)
at RemObjects.Oxygene.Code.Compiler.Compiler.AnonSelectCompatibleParameter(ScopeInfo aScope, BaseType SelfType, IList`1 GenPar, Argument& Par, IMethodInfo aMeth, IParamInfo B, BaseType ParType) at RemObjects.Oxygene.Code.Compiler.Compiler.FindBestMatch(IPosition aErrorPos, String aID, ScopeInfo aScope, BaseType aSelfType, FindBestMatchFlags aFlags, ResultList aRestList, MutableInvokeExpression aParams, Func`1 aAlternative)
at RemObjects.Oxygene.Code.CallExpressionTransform.ResolveExpression(ScopeInfo aScope, CallExpression incall, CallMode aCM)
at RemObjects.Oxygene.Code.Compiler.NewResolveExpressionAndStatement.VisitExpression(ScopeInfo aScope, Expression element)
at RemObjects.Oxygene.Code.AssignmentStatementTransform.ResolveStatement(ScopeInfo aScope, AssignmentStatement assignmentStatement)
at RemObjects.Oxygene.Code.Compiler.NewResolveExpressionAndStatement.VisitStatement(ScopeInfo aScope, Statement element)
at RemObjects.Oxygene.Code.BeginStatementTransform.ResolveStatement(ScopeInfo aScope, BeginStatement beginStatement)
at RemObjects.Oxygene.Code.Compiler.NewResolveExpressionAndStatement.VisitStatement(ScopeInfo aScope, Statement element)
at RemObjects.Oxygene.Code.IfStatementTransform.ResolveStatement(ScopeInfo aScope, IfStatement ifStatement)
at RemObjects.Oxygene.Code.Compiler.NewResolveExpressionAndStatement.VisitStatement(ScopeInfo aScope, Statement element)
at RemObjects.Oxygene.Code.BeginStatementTransform.ResolveStatement(ScopeInfo aScope, BeginStatement beginStatement)
at RemObjects.Oxygene.Code.Compiler.NewResolveExpressionAndStatement.VisitStatement(ScopeInfo aScope, Statement element)
at RemObjects.Oxygene.Code.Compiler.Compiler.ResolveMethodBody(ScopeInfo aScope, IMethodImplementation aMethod)
at RemObjects.Oxygene.Code.Compiler.Compiler.\<\>c\_\_DisplayClass40.b\_\_5(IParsedType aType)
at RemObjects.Oxygene.Code.Compiler.Compiler.ForAllInternalTypes(Action`1 aAt)
at RemObjects.Oxygene.Code.Compiler.Compiler.ResolveMembers() Prism.StandardAspects D:\Repositories\GSD\Thunderbolt\Software\Common\SubRepositories\oxygeneaspects\trunk\Source\Prism.StandardAspects\DependencyPropertyAttribute.pas 78
Extra issue: if you double click on the E0 error in the error list to make it jump to the code, VS will completely hang up (Both VS2017 and VS2015)
---
### Author:  [@RemObjectsSoftware](https://talk.remobjects.com/u/RemObjectsSoftware)
#### Post date: [October 12, 2018, 11:10am UTC](https://talk.remobjects.com/t/oxygene-10-gives-an-internal-error-on-some-aspects-code/17638/2 "2018-10-12T11:10:39Z")
Thanks, logged as bugs://81219 (IDE)
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### Author:  [@RemObjectsSoftware](https://talk.remobjects.com/u/RemObjectsSoftware)
#### Post date: [October 12, 2018, 11:10am UTC](https://talk.remobjects.com/t/oxygene-10-gives-an-internal-error-on-some-aspects-code/17638/3 "2018-10-12T11:10:41Z")
Thanks, logged as bugs://81220 (Compiler)
---
### Author:  [@RemObjectsSoftware](https://talk.remobjects.com/u/RemObjectsSoftware)
#### Post date: [October 12, 2018, 11:19am UTC](https://talk.remobjects.com/t/oxygene-10-gives-an-internal-error-on-some-aspects-code/17638/4 "2018-10-12T11:19:05Z")
bugs://81220 got closed with status fixed.
---
### Author:  [@RemObjectsSoftware](https://talk.remobjects.com/u/RemObjectsSoftware)
#### Post date: [October 12, 2018, 11:42am UTC](https://talk.remobjects.com/t/oxygene-10-gives-an-internal-error-on-some-aspects-code/17638/5 "2018-10-12T11:42:45Z")
bugs://81219 got closed with status fixed.