Execution stopped!

Hi am getting this error, please help.

[        ] Job started at 24/04/2018 17:01:29
[  Debug ] 
[  Debug ] Running  on: Microsoft Windows NT 6.1.7600.0
[  Debug ] Environment: 4.0.30319.34209
[  Debug ] 
[  Debug ] Loading timezone data
[  Debug ] Embedded timezones source: timezone.timezonesdata.txt
[  Debug ] Reading config file: C:\Users\Alan\AppData\Local\WebGrab+Plus\WebGrab++.config.xml
[        ] Job finished at 24/04/2018 17:01:30 done in 0s
[Critical] Unhandled Exception
[Critical] 
Método não encontrado: '!!0[] System.Array.Empty()'.
[Critical] 
   em WGconsole.Program.ConsoleApplication(String[] args)
   em WGconsole.Program.Main(String[] args)
[Critical] For detailed info, see log file C:\Users\Alan\AppData\Local\WebGrab+Plus\WebGrab++.log.txt
[Critical] Execution stopped

I was told that it could be ero in the NET Framework, however I have already installed the latest version and still continue with the error