OK, I figured it out. When I add the EA to a live chart then it works, but not when I add it to an offline chart; which is what my renko chart is... I don't know how/why it worked the first time on that chart, but not after. Either case, I am back ...

Hi team, I have to say, this has got quite some potential; well at least with my trading strategy. Thanks for all the effort you have put into this. I am on version 1.3 and am getting error 4051. The weird thing is that a trade just got closed ...