Changes to settings not saving after update 2.6.6 to 2.7.2

[Hidroxid]

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Hello

After upgrade from version 2.6.6 to 2.7.2, the changes are not saved.

There is no message that the changes have been saved, i get a white page.

I do not receive an error message.

I dont have active APC, memcache ...

Trying, I change in hesk_settings.inc.php:

$ Hesk_settings ['hesk_version'] = '2.6.6';
by
$ Hesk_settings ['hesk_version'] = '2.7.2';

But nothing happens.

Image showing parameter in php: https://drive.google.com/open?id=0B1LGh ... 2N1blNxNDQ

Thank you

[Hidroxid]

Solvented, please forgot.

I have a personal admin folder name and the new folder obviously dont update mine.

I beleive that it should be usefull to say in the readme.

Regards