Admin page blank

Hello ... I did an update from jOpenSim 0.2.4 to jOpenSim 0.2.5 and it told me that it was successful ...
Today i tried to log into the admin page and it was white (blank page), just did areboot on the server and its still blank ... Im running Joomla 1.7 ... I was going to update to 2.5 but i cant get into it now ... I did the jOpenSim though the website interface in the jOpenSim admin part ... I dont know what happened to it now ... I have tried to login one of my alts but the same thing all blank ...
What has happened ... ?

Thank you ...
Steve

Hi oz

Is there anything in the error_log?

Greetz
FoTo50

hi ... soory i been away here ... I'll have a look tomotrrow ...

Hello ... not much in the log file ... So i did kill joomla and installed the new 2.5.8 and installed jopensim 2.5 so it's all new ...
Still got problems with groups and profiles not working ... the groups are there but mysql saying the groups and friends list is there, but when i did a new joomla made new tables in the old database and the old ones are still there two ...
How could i fix the new tables to get to the old ones i want to use ? (groups , friends) I'm not very good at mysql stuff ...

take a mysql dump and copy the parts where it says