I’m assuming you mean the editor for NinjaTrader and not Thinkorswim. What has worked for me previously, is just removing all the AddOns, recompile and then add them back in and recompile.
I’m assuming you mean the editor for NinjaTrader and not Thinkorswim. What has worked for me previously, is just removing all the AddOns, recompile and then add them back in and recompile.