[Serusers] SERWEB configuration problem

Dear Friends, i have installed SER correctly, it works well and registers users present in mysql database. After SER installation i have installed SERWEB following step by step Dan Austin's HOW-TO. I have encountered this problems: 1) The web interface don't displays correclty...i don't see the background images, but the buttons are visible. 2) When a user logs in, on the missed_calls tab, i see the message "error in SQL query, line: 77" 3) When i click on email confirmation link....i see on the web page the message "400 Table "aliases" not in memory, please run save("aliases") or lookup("aliases") in the confirmation script first" Can you help me to solve this problem, please? Thanks all in advance Francesco Russo