USB ejecting after Big Sur update

I just updated my MacBook Pro to Big Sur and my external SSD ejects itself not long after loading onto the desktop. I'm getting a message that says, 'Eject "Extreme SSD" before disconnecting or turning it toff' and the SSD ejects. Can't do anything with it. I read that Catalina had the same bug which was fixed but wasn't fixed for Big Sur. Any help would be appreciated. I have all my client work on the ExSSD.

I upgraded to macOS 11.5 yesterday and the External USB-C ssd disk popping out has become more frequent. Earlier it used to happen not so often, now it is every 10-15 mins. What is going on? Any help would be good as I dont want to corrupt my data disk.

USB ejecting after Big Sur update
 
 
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