BlockSMC has a specific tick validation. If your Timer is set above 1.05 , you will desync and get "Teleport Confirmation" errors.
Often set to "Switch" or "Single" mode with a randomized CPS (usually 8–13) to avoid instant flags. fdp client config blocksmc verified
Verified configs are rarely permanent solutions. Anticheat developers routinely push silent updates that instantly flag and ban users running formerly "safe" configurations. BlockSMC has a specific tick validation