Right power sensor missing

Hello. I purchased my vector 3 (dual) pedals from my LBS in August. They've been plagued with problems including the inability to update software from my phone (resolved by updating from head unit), inability to connect to head unit, etc. Things eventually began to stabilize but I'm now losing the right power sensor mid-ride. I've worked through Garmin's troubleshooting guide and I've done everything up to and including unpairing and re-pairing the right pedal. It's still dropping and seems to be getting worse. I'm looking for some help. I've attached yesterday's .fit file. Thanks