Freelander 1 td4 2ltr manual abs and bearing issue

Hey landy brothers and sister in need off some help I recently changed the wheel bearings on my landy 1 back 1 front without a press and a few broken bearing I eventually managed to get them in all nice and snug bolted and she runs perfect no rumbles tremor whines smooth running the issue is I can't seem to get the abs senors right keeps saying contact too low or missing and cause the wheels to lock up when I get the speed up what am I missing