I have error in Rad system when republish

Questions PHPRad Classic
1

Following error is coming in my log
i can’t understand this error
kidly guide me

error screen
error screen1870×1015 140 KB

Message = Object reference not set to an instance of an object.
Data = System.Collections.ListDictionaryInternal
InnerException =
TargetSite = Boolean get_PrimaryKey()
StackTrace = at RadSystems.ActionFormField.get_PrimaryKey()
at RadSystems.GeneratePageController.GenerateFormPageControllerCode()
at RadSystems.GeneratePageController.GeneratePageCode()
HelpLink =
Source = RadSystems
HResult = -2147467261

2

What was the last configuration you did before you got the message or encountered the error?

3

I have made a table modification by adding additional fields and removing existing one. I run publish at the end and found the same error as above. How to overcome this issue?

Here is he error issue:
Message = Object reference not set to an instance of an object.
Data = System.Collections.ListDictionaryInternal
InnerException =
TargetSite = System.String SetAllPageContent(RadSystems.DashboardComponents, Int32, Boolean)
StackTrace = at RadSystems.PHPRadClassicLaravelEngine.SetAllPageContent(DashboardComponents comp, Int32 CompIndex, Boolean IsInForm)
HelpLink =
Source = RadSystems
HResult = -2147467261