# \[Bug\] DynamicProperty.Description or GroupName assignment trig error

**URL:** <https://tech-community.robotics.abb.com/t/bug-dynamicproperty-description-or-groupname-assignment-trig-error/11468>\
**Category:** Developer Tools\
**Created:** [June 10, 2024, 4:50pm UTC](https://tech-community.robotics.abb.com/t/bug-dynamicproperty-description-or-groupname-assignment-trig-error/11468 "2024-06-10T16:50:13Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![DenisFR](https://avatars.discourse-cdn.com/v4/letter/d/dc4da7/32.png) [@DenisFR](https://tech-community.robotics.abb.com/u/DenisFR)\
**Post date:** [June 10, 2024, 4:50pm UTC](https://tech-community.robotics.abb.com/t/bug-dynamicproperty-description-or-groupname-assignment-trig-error/11468/1 "2024-06-10T16:50:13Z")

</div>

Hello,  
If I set Description or GroupName of a DynamicProperty, when I Add it to my smartComponent.Properties, I’ve got this error:

```auto
RobotStudio .NET exception: Access Denied. Project is read-only.
============================================
Base exception: UnauthorizedAccessException
Access Denied. Project is read-only.
   at ABB.Robotics.RobotStudio.ProjectObject.Backup(Boolean evenIfNew)
   at ABB.Robotics.RobotStudio.Stations.Asset.SetData(Byte[] data)
   at ABB.Robotics.RobotStudio.Stations.SmartComponent.UpdateResourceInt(Object element, String attribute, String value)
   at ABB.Robotics.RobotStudio.Stations.DynamicProperty.SetParent(ProjectObject parent)
   at ABB.Robotics.RobotStudio.Stations.DynamicPropertyCollection.Insert(Int32 index, DynamicProperty dynamicProperty)

```