Locked Out of Konami eFootball Account Despite Correct Password

When I attempted to log into my Konami eFootball account with the right password, I was met with a warning stating that my Konami ID had been locked. I'm really confused about why this happened. Maybe it's because I attempted to log in several times consecutively, but I'm uncertain. Unfortunately, I am unable to access my account at this time. Can someone help me find a solution to this problem? I would greatly appreciate any assistance.