Megadnám az ID-t:
gradinkov
Erre a következő hibát löki:
The Online ID must contain alphanumeric characters, can include underscores or hyphens and must be between 3 and 16 characters in length. The first character must be a letter of the alphabet.
gradenkov, gradinkav, stb. ezeket elfogadja. Mi a tök baja van a fentivel?