String? getVersionCompatibilityMessage( int appMajor, int appMinor, int serverMajor, int serverMinor, ) { if (serverMajor != appMajor) { return 'Your app major version is not compatible with the server!'; } // Add latest compat info up top if (serverMinor < 106 && appMinor >= 106) { return 'Your app minor version is not compatible with the server! Please update your server to version v1.106.0 or newer to login'; } return null; }