Fehlermeldung

• Deprecated function: Array and string offset access syntax with curly braces is deprecated in include_once() (line 20 of /www/htdocs/w011e75e/drupal2018/includes/file.phar.inc).
• Notice: unserialize(): Error at offset 11 of 31 bytes in variable_initialize() (line 1202 of /www/htdocs/w011e75e/drupal2018/includes/bootstrap.inc).