Error - No two controls can have the same name in AX7

Error - No two controls can have the same name in AX7

Solution

Go to XMl file change FormExtensionControl1 to Proper Control Name

For example if Error shows in SalesTable.Extension1
Go to below path
C:\AOSService\PackagesLocalDirectory\YourModelName\YourModelName\AxFormExtension

Open Extension XML File i.e. SalesTable.Extension1.xml

Open XMl file change FormExtensionControl1 to Proper Control Name.

Refresh Models

 Go to --> Dynamics Menu --> Model Management -> Refresh Models

Full Build

Go to --> Dynamics Menu --> Build Model -> Select All and Build