I cannot see the yellow space counter line when my players use it

I'm a DM and when my players move their tokens, pressing space bar to set way points. I am not seeing the yellow line. Though they can still see my line when I do it. Not sure why its bugging like this. Also the console log for firefox is basically empty for some reason. TelemetryStopwatch: key "FX_SCHEDULE_PRESSURE_IDLE_SAMPLE_MS" was already initialized TelemetryStopwatch.jsm:356 Cannot play media. No decoders for requested formats: [object Object]

You need to select the token and hit space to see the last move route