Errores aleatorios al entrar en módulos en el back office

[djmortis]

Buenas, hace unos días al entrar en el back office en módulos me dio varios errores, después volvió todo a la normalidad solo, hoy me vuelve a pasar lo mismo y me refleja los mismos errores.

 

No se ha tocado nada de la configuración ni se ha hecho nada de nada, todo lo demás parece funcionar correctamente.

 

Los errores que me refleja son los siguientes:

 

Notice: Constant _PS_SSL_PORT_ already defined in /var/www/vhosts/libreriacopia.xx/config/config.inc.php on line 31

 

Notice: Constant _THEME_NAME_ already defined in /var/www/vhosts/libreriacopia.xx/config/config.inc.php on line 104

 

Notice: Constant __PS_BASE_URI__ already defined in /var/www/vhosts/libreriacopia.xx/config/config.inc.php on line 105

 

Notice: Constant _PS_OS_CHEQUE_ already defined in /var/www/vhosts/libreriacopia.xx/config/config.inc.php on line 215

 

Notice: Constant _PS_OS_PAYMENT_ already defined in /var/www/vhosts/libreriacopia.xx/config/config.inc.php on line 216

 

Notice: Constant _PS_OS_PREPARATION_ already defined in /var/www/vhosts/libreriacopia.xx/config/config.inc.php on line 217

 

Notice: Constant _PS_OS_SHIPPING_ already defined in /var/www/vhosts/libreriacopia.xx/config/config.inc.php on line 218

 

Notice: Constant _PS_OS_DELIVERED_ already defined in /var/www/vhosts/libreriacopia.xx/config/config.inc.php on line 219

 

Notice: Constant _PS_OS_CANCELED_ already defined in /var/www/vhosts/libreriacopia.xx/config/config.inc.php on line 220

 

Notice: Constant _PS_OS_REFUND_ already defined in /var/www/vhosts/libreriacopia.xx/config/config.inc.php on line 221

 

Notice: Constant _PS_OS_ERROR_ already defined in /var/www/vhosts/libreriacopia.xx/config/config.inc.php on line 222

 

Notice: Constant _PS_OS_OUTOFSTOCK_ already defined in /var/www/vhosts/libreriacopia.xx/config/config.inc.php on line 223

 

Notice: Constant _PS_OS_BANKWIRE_ already defined in /var/www/vhosts/libreriacopia.xx/config/config.inc.php on line 224

 

Notice: Constant _PS_OS_PAYPAL_ already defined in /var/www/vhosts/libreriacopia.xx/config/config.inc.php on line 225

 

Notice: Constant _PS_OS_WS_PAYMENT_ already defined in /var/www/vhosts/libreriacopia.xx/config/config.inc.php on line 226

 

Notice: Undefined variable: smarty in /var/www/vhosts/libreriacopia.xx/config/config.inc.php on line 230

 

Fatal error: Call to a member function assign() on a non-object in /var/www/vhosts/libreriacopia.xx/controllers/admin/AdminModulesController.php on line 1347

[PrestaShop] Fatal error in module AdminModulesController:

Call to a member function assign() on a non-object

 

¿Alguna idea de que puede ser?