Software error:

21/09/2021 09:00:10SYS=> invivo , USER=anon ,ERR=> ============== Can't open /usr/local/pagal3/SYS/invivo/mySess/YIbEsE4H2qOvR768SEuJ8I2RPpgGaXRJEGj for write: No space left on device  , LOG file : /usr/local/pagal3/SYS/invivo/error_logs/error_Anonymous_21_09_2021.log
 
 TDQ=$VAR1 = {
          'LANG' => 'BG',
          'USER_DATA' => 0,
          'CGI' => bless( {
                            '.fieldnames' => {},
                            'use_tempfile' => 1,
                            'escape' => 1,
                            'param' => {},
                            '.parameters' => [],
                            '.charset' => 'ISO-8859-1'
                          }, 'CGI' ),
          'IN' => {
                    'LANG_ID' => 26,
                    'LANG' => 'BG',
                    'BUTTON' => '!HOME',
                    'ORDER_PAGE' => 1,
                    'CALL_METH' => 'html_loader',
                    'BACK' => '!HOME',
                    'ACTION' => 'html_open'
                  },
          'USER_ACC' => {
                          '2' => 29
                        },
          'TRD' => {
                     'CMD' => 'FILMI',
                     'METHOD_ERROR' => {
                                         'ALL' => '<<Error: Call admin!>>'
                                       },
                     'ID' => '1544'
                   },
          'USER' => '',
          'UPLOAD_FILE' => 0,
          'USER_GRP' => 2,
          'USER_ID' => 0
        };

 GTES=$VAR1 = {
          'LOAD_FILE' => {
                           'HTML' => 'index'
                         }
        };

It's not a bug, it's a feature!