I’m not that good at reading debug output text, but maybe someone else can say whether these lines are suggesting that Keyshot is the thing trying to read the wrong part of memory:
*** WARNING: Unable to verify timestamp for KeyShot9Export.64_2.5.5.so
DBGHELP: KeyShot9Export_64_2_5_5 - no symbols loaded
ExceptionAddress: 00007ff8661b2bac (KeyShot9Export_64_2_5_5+0x0000000000042bac)
ExceptionCode: c0000005 (Access violation)
ExceptionFlags: 00000000
NumberParameters: 2
Parameter[0]: 0000000000000000
Parameter[1]: 0000000000000000
Attempt to read from address 0000000000000000