When I save new reg in fornt end I receive this message:
this problem appear in joomla 2.5 instalation clean,

Catchable fatal error: Argument 1 passed to FarmaciaCkClassControllerItem::postSaveHook() must be an instance of JModelLegacy, instance of FarmaciaModelChatitem given, called in /var/www/vhosts/ticsmart.com/farmaciaordunablanca/administrator/components/com_farmacia/classes/controller/item.php on line 898 and defined in /var/www/vhosts/ticsmart.com/farmaciaordunablanca/administrator/components/com_farmacia/classes/controller/item.php on line 609

Warning: spl_autoload() [function.spl-autoload]: open_basedir restriction in effect. File(jfactory.inc) is not within the allowed path(s): (/var/www/vhosts/ticsmart.com/:/tmp/) in /var/www/vhosts/ticsmart.com/farmaciaordunablanca/libraries/joomla/session/storage/database.php on line 71

Warning: spl_autoload() [function.spl-autoload]: open_basedir restriction in effect. File(jfactory.php) is not within the allowed path(s): (/var/www/vhosts/ticsmart.com/:/tmp/) in /var/www/vhosts/ticsmart.com/farmaciaordunablanca/libraries/joomla/session/storage/database.php on line 71

Fatal error: Class 'JFactory' not found in /var/www/vhosts/ticsmart.com/farmaciaordunablanca/libraries/joomla/session/storage/database.php on line 71

Do you want to try again now ?

The porooblem continue. I download and install the component, but when I try to save any record in front end...
Crash my aplication. Please, I need correct this problem, my customer are impatient.

I can see you are using the legacy loader. Do you really need it ?
Are you working on Joomla 1.6 ???

I downloaded (farmacia) and tried in Joomla 3.4 It works like a charm for me.

Can you be more precise please ?
What is the crash ? PHP Error ?

Which Project / Table / Layout ?

I disabled LEgacy to generate proyect.
I generate and reinstall my component, but the problem continue
I work in joomla 2.5
url: farmaciaordunablanca.ticsmart.com/

Open chat option menu, create a new register, and click on save

Tray with: user: demo
Pass: never

I checked it.
I found effectlivly a problem, but I am not sure.

in
the declaration of postSaveHook() is different in 2.5

I changed the declaration :
To :
You can do it manually, or download again.

I tell you I am not sure, but It might solve your problem.

(Don't car the strict standards, I have no choice for having cross compatibility)