I’m testing with the latest version of the EA, v 1.15. All these trades were opened without a problem, with a small change of the last signals where the SL is in the wrong direction.
Please check if you have set some limitations in the EA’s inputs, like max number of open trades, or max risk per hour/day. Also, you can create a channel where you can post test signals. If this doesn’t help, you can send us the inputs you use to email@example.com and we’ll try to find the problem.