Step 1: Open Finder, in the menu bar at the top select 'Go', then "Go to Folder". Use this path below, then leave the window open.

/Library/Sentinel/sentinel-agent.bundle/Contents/MacOS/

Step 2: Open System Preferences -> Security & Privacy -> Privacy -> Full Disk Access. Drag and drop the following executables from the folder in Step 1 into the Full Disk Access window, and check the boxes next to them.