PS I have opened a ticket # [5331163] 

Hi, Archon! 🖐

This warning is an IP ban. It can be caused by many simultaneous clicks within a short period of time. Thus, such clicks trigger the system, and you may receive similar messages. Next time, we recommend that you keep track of which specific activities may possibly provoke this IP ban and send your observations to our support team, as you did so well this time. Good luck! 🙌

Thank you for your reply. Indeed, during Guardian Play I sent multiple Guardians to battle warlords nearly in parallel :) 

Anytime! Wishing you the smoothiest game ahead, Archon! 🙌 💪

This usually happens when the system detects a high number of repeated actions in a short period of time, even during normal gameplay like Guardian mode. It doesn’t always mean third-party tools were used. Taking short breaks, avoiding rapid command spamming, and restarting the game or client can help prevent it from happening again. If the issue keeps coming back, reaching out to official support is the best option so they can review your account activity.