Add callbacks to all events to prevent requests from stalling

cl_plate_reader.lua

@@ -174,15 +174,17 @@ AddEventHandler( "wk:togglePlateLock", function( cam, beep, bolo )
 end )
 
 -- Runs when the "Toggle Display" button is pressed on the plate reder box 
-RegisterNUICallback( "togglePlateReaderDisplay", function()
+RegisterNUICallback( "togglePlateReaderDisplay", function( data, cb )
 	-- Toggle the display state 
 	READER:ToggleDisplayState()
+	cb({})
 end )
 
 -- Runs when the "Set BOLO Plate" button is pressed on the plate reader box
 RegisterNUICallback( "setBoloPlate", function( plate, cb )
 	-- Set the BOLO plate 
 	READER:SetBoloPlate( plate )
+	cb({})
 end )
 
 -- This is the main function that runs and scans all vehicles in front and behind the patrol vehicle