I have installed plugin Scala IDE 4.7.x in my Eclipse Version 4.10.0 (2018-12). When I try to auto-complete Scala Code(using CTRL+SPACE), it gives me the following the error message.
I tried disabling Java related proposals from content assist assist from Window->Preferences->Java->Editor->ContentAssist->Advacned. That did not work. Please have a look at the screenshot below: