I recently updated my Plesk 9.5.4 installation and now all migrations from my older 7.5.4 server fail.
Here are the last few lines from the log file:
01:26:52 INFO Dumping domain statistics
01:26:52 TRACE SQL: SELECT http_in, http_out, ftp_in, ftp_out, smtp_in, smtp_out, pop3_imap_in...