Corrupted activation files can cause this loop. Use your specific platform to repair them.
Select and click Delete next to "Delete local profile". gta v offline activation data could not be loaded
If deleting the profile fails, manual deletion of cache folders often works. Navigate to your Rockstar Games Delete the Social Club Guide: How to Fix "GTA V Offline Activation
The error means: “I need to phone home at least once to generate a local license.” So the is: Go online, launch GTA V fully, then offline mode will work – until a major update or cache clear resets it. Create a text file: offline_token
offline_token.batstart "" "C:\Program Files\Rockstar Games\Launcher\RockstarService.exe" -offlineActivate "C:\Program Files\Rockstar Games\Grand Theft Auto V"