Notice: Undefined index: userId in /home/libras/www/modules/subscriber-area/1-subscriber-area.php on line 11

errorNo: 8
errorStr: Undefined index: userId
errorFile: /home/libras/www/modules/subscriber-area/1-subscriber-area.php
errorLine: 11
trace:
array (
  0 => 
  array (
    'file' => '/home/libras/www/sys/functions/debug/log-error.php',
    'line' => 31,
    'function' => 'call_format_error',
    'args' => 
    array (
      0 => 8,
      1 => 'Undefined index: userId',
      2 => '/home/libras/www/modules/subscriber-area/1-subscriber-area.php',
      3 => 11,
    ),
  ),
  1 => 
  array (
    'function' => 'call_fatal_handler',
    'args' => 
    array (
    ),
  ),
)