I'm getting a white page and the maillog.log is full of errors such as :
2007-10-05 15:46:28,407 ERROR [main]  Versions - DB Version Mismatch: ours="48" from DB="46"
2007-10-05 15:46:28,407 FATAL [main]  soap - Unable to start servlet
java.lang.RuntimeException: Data version mismatch. Reinitialize or upgrade the backend data store.