Couldn't clear cache and now can't login after update 5.6.2.1

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Hi, i made a bit of a mess on a client site after an update to 5.6.2.1 ;^)
After updating i could't clear my cache, sort of permission problem. Setting folders and files to 777 didn't solve the problem.
So i removed the cachefiles on the server, also tried to remove the tmp files, because there were files related to old blocks i don't use anymore; some are deleted, some i couldn't.

That was maybe too bold.. I can't login anymore and this is what i get:

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/anders01/domains/anderssamenleven.nl/public_html/config/site.php:11) in /home/anders01/domains/anderssamenleven.nl/public_html/concrete/startup/session.php on line 36


Warning: Cannot modify header information - headers already sent by (output started at /home/anders01/domains/anderssamenleven.nl/public_html/config/site.php:11) in /home/anders01/domains/anderssamenleven.nl/public_html/concrete/core/libraries/page_cache/library.php on line 11


Warning: Cannot modify header information - headers already sent by (output started at /home/anders01/domains/anderssamenleven.nl/public_html/config/site.php:11) in /home/anders01/domains/anderssamenleven.nl/public_html/concrete/core/libraries/page_cache/library.php on line 14


Warning: Cannot modify header information - headers already sent by (output started at /home/anders01/domains/anderssamenleven.nl/public_html/config/site.php:11) in /home/anders01/domains/anderssamenleven.nl/public_html/concrete/core/libraries/page_cache/library.php on line 14


Warning: Cannot modify header information - headers already sent by (output started at /home/anders01/domains/anderssamenleven.nl/public_html/config/site.php:11) in /home/anders01/domains/anderssamenleven.nl/public_html/concrete/core/libraries/page_cache/library.php on line 14


Warning: Cannot modify header information - headers already sent by (output started at /home/anders01/domains/anderssamenleven.nl/public_html/config/site.php:11) in /home/anders01/domains/anderssamenleven.nl/public_html/concrete/core/libraries/page_cache/library.php on line 14


the url of the clients site is:http://www.anderssamenleven.nl/...

does anyone have a clue?
i'm afraid i have to rebuild the site, unless...

thanks a lot, have a nice day, Mieke

mieke
 
Responsive replied on at Permalink Reply
Responsive
Ask your server host for the last clean backup files before you upgraded and also the mysql , then save what you have ( files and db ) , delete and re install your clean backup.