It sounds like your quiz plugin might be experiencing a validation conflict or caching issue, especially with custom fields or timers. I’ve seen similar problems when multiple scripts or plugins interact, causing intermittent errors like the red “please fill in” messages.
Testing and troubleshooting carefully is important, not just for quizzes but also for digital content distribution. Even games like poppy playtime chapter 3 free download pc rely on smooth input validation and proper testing to ensure players can interact with the platform without issues. Checking scripts, caching, and field configurations usually resolves these glitches.