Error message

• Deprecated function: Array and string offset access syntax with curly braces is deprecated in include_once() (line 1439 of /home/meyncppj/public_html/includes/bootstrap.inc).
• Notice: Undefined index: default in nivo_slider_block_view() (line 355 of /home/meyncppj/public_html/sites/all/modules/nivo_slider/nivo_slider.module).