'Your Capture One Live Session could not be started.'

Hi Guys,
Hopefully someone could help me to sort out this issue:

When I would have liked to start a Live Session I got this message:

Your Capture One Live Session could not be started.
For assistance, please reach out to Capture One Support at https://support.captureone.com . Include the text string below in your support request:

07mlLYQAAAACN8FsNQId0T7YEinSMbw81QlVIMDFFREdFMDIwNwAyOGM0NzA0Zi1iNTNiLTQ0MGEtODUwNi1mOTkwYzZiYjNjOTI=

macOS BigSur 11.6
MacBook Pro (16-inch, 2019),
2.3 GHz 8-Core Intel Core i9
RAM 32 GB 2667 MHz DDR4
GPU AMD Radeon Pro 5500M 4 GB

Capture One 21 Pro 14.3.0.260


Thank you for you help!