Excessive login attempts result in too many attempts (for security purposes). The temporary lockout takes roughly 24 hours to clear, following which you can log in regularly again. When telegraph sends you too many attempts, it signifies that someone or you have attempted to access your phone account multiple times but have been unsuccessful.

It implies you've made too many requests and the system has temporarily locked you out.

Too many actions are caused by a user pinging the servers too frequently, as well as a few other factors. Excessive login attempts result in too many attempts (for security purposes). 

Read More: How do I fix the issue given by the Google Search Console webmaster tool 'URLs not followed'?