Error only when opening a Form

[Moshe Singer]

When I open the "Error List" there is no error, but when I open the Form it displays the following error:



2 Errors

Object reference not set to an instance of an object.
Instances of this error (1)
1. Hide Call Stack

at System.ComponentModel.ReflectPropertyDescriptor.SetValue(Object component, Object value)

at Microsoft.VisualStudio.Shell.Design.VsTargetFrameworkPropertyDescriptor.SetValue(Object component, Object value)

at System.ComponentModel.Design.Serialization.CodeDomSerializerBase.DeserializePropertyAssignStatement(IDesignerSerializationManager manager, CodeAssignStatement statement, CodePropertyReferenceExpression propertyReferenceEx, Boolean reportError)

at System.ComponentModel.Design.Serialization.CodeDomSerializerBase.DeserializeAssignStatement(IDesignerSerializationManager manager, CodeAssignStatement statement)

at System.ComponentModel.Design.Serialization.CodeDomSerializerBase.DeserializeStatement(IDesignerSerializationManager manager, CodeStatement statement) Top-level control cannot be added to a control.





I do not understand what the above is trying to tell me.

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