So it should look like OnTrigger > video_script > RunScriptCode > StartVideo(ARRIVAL_VIDEO,23,2) Replace the parameter with StartVideo(ARRIVAL_VIDEO,23,2). Here, you should see an output that goes like OnTrigger > video_script > RunScriptCode > StartDestructedArrivalVideo(23,2), you’re going to want to edit this.
Open its properties and go to the Outputs tab. Then you’ll want to find a logic_relay with the name signs_on (it should be on the floor next to the logic_script entity). This is quite a simple and permanent fix, to start, simply select the elevator logic instance (Not the base!) and edit it.