Make sure to backup your save files. (saves are located here: %userprofile%\Saved Games\CD Projekt Red\Cyberpunk 2077\)
Disable Cloud Saves feature for Cyberpunk 2077 if you have it enabled.
Uninstall Cyberpunk 2077.
Cyberpunk 2077 folder in your client’s directory (Steam, GOG, EGS)
Cyberpunk 2077 folder from here: %userprofile%\Saved Games\CD Projekt Red\
REDEngine folder from here %userprofile%\AppData\Local\
CD Projekt Red folder from here: %userprofile%\AppData\Local
Restart your PC.
Install Cyberpunk 2077 again, on SSD.
If you install the game on the same partition as you have the Operating System installed, ensure that the game isn’t blocked by Windows permissions settings -> install it on the drive root, not nested in some folders. Example path after installation: C:\Steam\steamapps\common\Cyberpunk 2077.
Copy your save files to the newly created Cyberpunk 2077 folder in the location from step #1.
Run the game and see if it helped with the issue you encountered.