: Attempting to load newer project files (like OLS5 .kp files) into version 4.7 can result in "version too new" errors, which are sometimes misinterpreted as system date issues. Recommended Long-Term Solution
If you are using a genuine version of WinOLS, this error often means your EVC subscription has expired or the software cannot verify your license. Check your license status on the EVC Official Download Page winols 47 your system date is wrong new
Ensuring your PC matches global atomic time is the most common fix. : Attempting to load newer project files (like OLS5