error 700 is about issues hardware related. Decrease gpu frequency for testing. Also check your mainboard and bios for posts about Octane issues. I might be wrong but remember some posts for about issues these kind of hardwares.

Hey there
Thanks for the reply
My bios was already latest so I tried ...

A. Operating System, including version ( Win 10 )
B. Graphics Card(s) model ( 2080 ti x2 )
CPU 9800x
Mainboard ASUS WS X299 SAGE

C. RAM Capacity ( 64 GB )
D. Nvidia driver version ( 417.22 )
E. OctaneRender Standalone version, if installed ( 4.05 )
F. OctaneRender plugin version ( 4.04 )
G. Host ...