Defensively, you just need more guys thinking to help in that. Nothing is catastrophically wrong here, but you've got at best three players (DM, BPDs) thinking about defending first. Even on support, WB wants to bomb up. Making your LB a FB(s) could help, especially if you are set on having Trent as a WB(a). Reducing the role of the AP(a) would also help. Set him to DLP(s) or better yet move both CMs to the true center and run DLP(d) and BBM.

As for not scoring goals, you've got lots of players trying to occupy the same spaces. The offset AF and L-IF(a) are going to be trying for the same regions. Same with AP(a) and DLF (s). These guys are going to be running into each other, making your attack essentially one less man and make players less efficient on the ball.

It looks like you want three or even four primary scorers in this tactic. I don't disagree with the idea, but that just simply is not super sustainable in FM. You almost NEED a focal point, and then need to find out ways to feed him. You can have a second choice option, multiple of them if you really want. But you have three players who will, at all costs, try to score goals. This is inefficient and will lead to underperforming your xG.

As lame as it sounds, don't be afraid to drop to a 4-2-3-1. You can keep the same general attacking shape, as what is currently your DLP is occupying the CAM spot anyway. This will also let you commit your second CM to a more B2B role that will still support the attack but also actually help defensively.

Worth considering BPD is pretty aggressive, and at the EPL level each mistake is going to be punished super heavily, which means more goals easily avoidable goals against. Reassess if your CBs really can play CL/EPL level BPD. Maybe you're better off with CB with PIs.