求教Birmingham推荐信系统问题

给推荐人的链接，点进去发现提示这个： 147.188.220.97 SYP Values : Invalid Security Key length (6 should be between 32 and 32. Found 1 Historic Link Security records. 201412231129 : Invalid MD5 HASH value. If you have forgotten your password, please use the Forgotten Password link below to reset it. If you have further problems, please contact the System Administrator. 怎么回事？