Watch OS 11 not charging

Just upgraded to Watch OS11 Beta with the watch on charge and put the watch on and it was only 40% charged. I put it back on the charger and it didn’t charge. I erased it and went to repair and it is flat 20 minutes after it was on 40% and sitting on the charger. the message on screen is ‘LOW BATTERY to continue, connect Apple Watch to it’s charger.’ Have I bricked my watch? Thanks

WatchOS 11 developer beta. Watch begins to charge, screen times out nd goes dark which is normal, then the charging stops, then restarts and the screen reactivates. This cycle is a net charge loss and drains the battery. I have powered down my watch off, and will await instructions.

Watch OS 11 not charging
 
 
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