Read also this:
http://forum.mikrotik.com/viewtopic.php?f=13&t=48459
Thanx for the reply mrz.Syslog server is indead the best solution. As a temporary solution I will try storing to disk in files and not to memory.Best solution is to have remote syslog server. You can also save Logs to file and periodically send those files by email.
Sorry for that.My mistake.It's corrected now.sure, they should be in Wiki, just correct the text: it's not "based on the PHP API Class", it "uses PHP API Class" - you deceive people a bit...
all the rest is fine =)