Подскажите пожалуйста из-за чего может быть такая проблема?

.SpoilerTarget" type="button">Spoiler: error
[08:22:58] [INFO] fetching database names

[08:22:58] [INFO] fetching number of databases

[08:22:58] [WARNING] (case) time-based comparison requires larger statistical model, please wait.............................. (done)

[08:23:16] [WARNING] it is very important to not stress the network connection during usage of time-based payloads to prevent potential disruptions

[08:24:57] [ERROR] invalid character detected. retrying..

[08:25:33] [ERROR] invalid character detected. retrying..

[08:26:10] [ERROR] invalid character detected. retrying..

[08:26:46] [ERROR] invalid character detected. retrying..

[08:27:23] [ERROR] invalid character detected. retrying..

[08:29:25] [ERROR] unable to properly validate last character value ('3')..

[08:30:02] [ERROR] invalid character detected. retrying..