Messed up with CSV import, all works but product edit in BO (wsod)

[Benimaru]

Hi,

I was uploading products via csv import, I did some tests and all working correctly. But the last time I missed up and I imported about 150 products ... as a category import. So I ended up with 150 different categories lol.

Deleted all categories, and reproduced it again via csv import (luckily I had all id numbers and hierarchy written in paper). All looked right and working properly again. That's what I thought.

Now when I try to edit a product via Back Office, I end up with a white screen of the death. No html output. Tried to search all over the forum, but none of proposed solutions worked.

I have config.inc with @ini_set('display_errors', 'on'); <-- nothing shown
Upped php.ini memory_limit = 256M

This is what apache error log throws:

[Wed Feb 02 16:01:16 2011] [error] [client 127.0.0.1] PHP Notice: Undefined offset: 0 in C:\\wamp\\www\\prestashop\\gestion\\tabs\\AdminProducts.php on line 1865, referer: http://localhost/prestashop/gestion/index.php?tab=AdminCatalog&id_category=6&viewcategory;&token;=45fd5f95966d83b4c3aa57cbd5b56ccd
[Wed Feb 02 16:02:16 2011] [error] [client 127.0.0.1] PHP Fatal error: Maximum execution time of 60 seconds exceeded in C:\\wamp\\www\\prestashop\\classes\\Category.php on line 171, referer: http://localhost/prestashop/gestion/index.php?tab=AdminCatalog&id_category=6&viewcategory;&token;=45fd5f95966d83b4c3aa57cbd5b56ccd
[Wed Feb 02 16:02:16 2011] [error] [client 127.0.0.1] PHP Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 117708801 bytes) in Unknown on line 0, referer: http://localhost/prestashop/gestion/index.php?tab=AdminCatalog&id_category=6&viewcategory;&token;=45fd5f95966d83b4c3aa57cbd5b56ccd

Right now I don't know what can I do to solve this. Help will be much appreciated!

EDIT: Using prestashop 1.3, wamp server.

[Benimaru]

Solved it restoring a previous Mysql dump. But still wonder what happened :S