Error is generate by MainClass:
PDOException Object
(
    [message:protected] => SQLSTATE[HY000]: General error: 3 Error writing file '/tmp/MYfd=85' (OS errno 28 - No space left on device)
    [string:Exception:private] => 
    [code:protected] => HY000
    [file:protected] => /var/www/vhost/agromedia.md/main/classes/Abstract/genericManager.abstract.php
    [line:protected] => 186
    [trace:Exception:private] => Array
        (
            [0] => Array
                (
                    [file] => /var/www/vhost/agromedia.md/main/classes/Abstract/genericManager.abstract.php
                    [line] => 186
                    [function] => execute
                    [class] => PDOStatement
                    [type] => ->
                )

            [1] => Array
                (
                    [file] => /var/www/vhost/agromedia.md/global/blog/storages/blogManager.php
                    [line] => 21
                    [function] => getall
                    [class] => genericManager
                    [type] => ->
                )

            [2] => Array
                (
                    [file] => /var/www/vhost/agromedia.md/modules/_blog/blog.mod.php
                    [line] => 425
                    [function] => getall
                    [class] => blogManager
                    [type] => ->
                )

            [3] => Array
                (
                    [file] => /var/www/vhost/agromedia.md/modules/_blog/blog.mod.php
                    [line] => 232
                    [function] => blog_list_head
                    [class] => blogModule
                    [type] => ->
                )

            [4] => Array
                (
                    [file] => /var/www/vhost/agromedia.md/modules/_blog/blog.mod.php
                    [line] => 167
                    [function] => blog_list
                    [class] => blogModule
                    [type] => ->
                )

            [5] => Array
                (
                    [file] => /var/www/vhost/agromedia.md/modules/_blog/blog.mod.php
                    [line] => 26
                    [function] => category
                    [class] => blogModule
                    [type] => ->
                )

            [6] => Array
                (
                    [file] => /var/www/vhost/agromedia.md/global/default/default.global.php
                    [line] => 587
                    [function] => isspecialurl
                    [class] => blogModule
                    [type] => ->
                )

            [7] => Array
                (
                    [function] => specialurl
                    [class] => defaultModuleGlobal
                    [type] => ->
                )

            [8] => Array
                (
                    [file] => /var/www/vhost/agromedia.md/main/classes/Abstract/genericApplication.class.php
                    [line] => 98
                    [function] => invoke
                    [class] => ReflectionMethod
                    [type] => ->
                )

            [9] => Array
                (
                    [file] => /var/www/vhost/agromedia.md/appl/application.class.php
                    [line] => 252
                    [function] => callFuncFromModule
                    [class] => genericApplication
                    [type] => ->
                )

            [10] => Array
                (
                    [file] => /var/www/vhost/agromedia.md/appl/application.class.php
                    [line] => 46
                    [function] => getrequestcontent
                    [class] => application
                    [type] => ->
                )

            [11] => Array
                (
                    [file] => /var/www/vhost/agromedia.md/main/mainClass.class.php
                    [line] => 261
                    [function] => processModuleRequest
                    [class] => application
                    [type] => ->
                )

            [12] => Array
                (
                    [file] => /var/www/vhost/agromedia.md/main/mainClass.class.php
                    [line] => 249
                    [function] => processRequest
                    [class] => mainClass
                    [type] => ->
                )

            [13] => Array
                (
                    [file] => /var/www/vhost/agromedia.md/index.php
                    [line] => 8
                    [function] => processSiteRequest
                    [class] => mainClass
                    [type] => ->
                )

        )

    [previous:Exception:private] => 
    [errorInfo] => Array
        (
            [0] => HY000
            [1] => 3
            [2] => Error writing file '/tmp/MYfd=85' (OS errno 28 - No space left on device)
        )

)