Error is generate by MainClass:
PDOException Object
(
    [message:protected] => SQLSTATE[HY000]: General error: 2006 MySQL server has gone away
    [string:Exception:private] => 
    [code:protected] => HY000
    [file:protected] => /data/www/vhost/OKFLORA/livrareflori.md/global/main/classes/Abstract/genericManager.abstract.php
    [line:protected] => 115
    [trace:Exception:private] => Array
        (
            [0] => Array
                (
                    [file] => /data/www/vhost/OKFLORA/livrareflori.md/global/main/classes/Abstract/genericManager.abstract.php
                    [line] => 115
                    [function] => execute
                    [class] => PDOStatement
                    [type] => ->
                )

            [1] => Array
                (
                    [file] => /data/www/vhost/OKFLORA/livrareflori.md/global/main/classes/genericattrManager.abstract.php
                    [line] => 17
                    [function] => get
                    [class] => genericManager
                    [type] => ->
                )

            [2] => Array
                (
                    [file] => /data/www/vhost/OKFLORA/livrareflori.md/global/main/classes/Abstract/genericManager.abstract.php
                    [line] => 630
                    [function] => get
                    [class] => genericattrManager
                    [type] => ->
                )

            [3] => Array
                (
                    [file] => /data/www/vhost/OKFLORA/livrareflori.md/global/main/classes/Abstract/genericManager.abstract.php
                    [line] => 554
                    [function] => get_word
                    [class] => genericManager
                    [type] => ->
                )

            [4] => Array
                (
                    [file] => /data/www/vhost/OKFLORA/livrareflori.md/global/main/classes/Abstract/genericManager.abstract.php
                    [line] => 118
                    [function] => setobj
                    [class] => genericManager
                    [type] => ->
                )

            [5] => Array
                (
                    [file] => /data/www/vhost/OKFLORA/livrareflori.md/global/global/_appl/classes/L.class.php
                    [line] => 41
                    [function] => get
                    [class] => genericManager
                    [type] => ->
                )

            [6] => Array
                (
                    [file] => /data/www/vhost/OKFLORA/livrareflori.md/global/global/_appl/classes/L.class.php
                    [line] => 116
                    [function] => getlabel
                    [class] => L
                    [type] => ::
                )

            [7] => Array
                (
                    [file] => /data/www/vhost/OKFLORA/livrareflori.md/www/themes/_default/templates/location/toplocationselect_mob_button.tpl.php
                    [line] => 4
                    [function] => GL
                    [class] => L
                    [type] => ::
                )

            [8] => Array
                (
                    [file] => /data/www/vhost/OKFLORA/livrareflori.md/global/main/classes/wizard.class.php
                    [line] => 32
                    [args] => Array
                        (
                            [0] => /data/www/vhost/OKFLORA/livrareflori.md/www/themes/_default/templates/location/toplocationselect_mob_button.tpl.php
                        )

                    [function] => include
                )

            [9] => Array
                (
                    [file] => /data/www/vhost/OKFLORA/livrareflori.md/www/modules/_location/location.mod.php
                    [line] => 761
                    [function] => getTemplate
                    [class] => wizard
                    [type] => ::
                )

            [10] => Array
                (
                    [file] => /data/www/vhost/OKFLORA/livrareflori.md/www/modules/_location/location.mod.php
                    [line] => 738
                    [function] => toplocationselect_mob_button
                    [class] => locationModule
                    [type] => ->
                )

            [11] => Array
                (
                    [file] => /data/www/vhost/OKFLORA/livrareflori.md/www/modules/_default/default.mod.php
                    [line] => 558
                    [function] => toplocationselect_mob
                    [class] => locationModule
                    [type] => ->
                )

            [12] => Array
                (
                    [function] => topcontent
                    [class] => defaultModule
                    [type] => ->
                )

            [13] => Array
                (
                    [file] => /data/www/vhost/OKFLORA/livrareflori.md/global/main/classes/Abstract/genericApplication.class.php
                    [line] => 104
                    [function] => invoke
                    [class] => ReflectionMethod
                    [type] => ->
                )

            [14] => Array
                (
                    [file] => /data/www/vhost/OKFLORA/livrareflori.md/www/appl/application.class.php
                    [line] => 784
                    [function] => callFuncFromModule
                    [class] => genericApplication
                    [type] => ->
                )

            [15] => Array
                (
                    [file] => /data/www/vhost/OKFLORA/livrareflori.md/www/appl/application.class.php
                    [line] => 210
                    [function] => showMainPage
                    [class] => application
                    [type] => ->
                )

            [16] => Array
                (
                    [file] => /data/www/vhost/OKFLORA/livrareflori.md/global/main/mainClass.class.php
                    [line] => 247
                    [function] => processModuleRequest
                    [class] => application
                    [type] => ->
                )

            [17] => Array
                (
                    [file] => /data/www/vhost/OKFLORA/livrareflori.md/global/main/mainClass.class.php
                    [line] => 235
                    [function] => processRequest
                    [class] => mainClass
                    [type] => ->
                )

            [18] => Array
                (
                    [file] => /data/www/vhost/OKFLORA/livrareflori.md/www/index.php
                    [line] => 36
                    [function] => processSiteRequest
                    [class] => mainClass
                    [type] => ->
                )

        )

    [previous:Exception:private] => 
    [errorInfo] => Array
        (
            [0] => HY000
            [1] => 2006
            [2] => MySQL server has gone away
        )

)