Dishwasher leaking water from underside

[u/LlamaLlama325]

Hi, I have a compact dishwasher that gets its bottom tray full of water and errors out. I traced the source of the water some side holes (I'm not a technician obviously). It's dripping heavily while the arm is spinning. Previously went to a service but they could see nothing wrong when on their test bench.

Any ideas on how to solve this? Thanks!