i got this error

when i went to my navigation builder it was empty and an error came up..now everytime when i got to my site its all messed up and in admin i get this at the top, over and over again -

Warning! Cannot evaluate Menu Cache file (/home/scotnet/public_html/inc/db_cached/MenuContent.inc).Warning! Cannot evaluate Menu Cache file (/home/scotnet/public_html/inc/db_cached/MenuContent.inc).

how can i fix?

bumpity bump

this error flashed when i went into navigation builder first

<b>Wartning</b>Cannot evaluate Menue Cache file(/home/scotnet/public_html/inc/db_cache/menue content.inc).<br/>

<b>Warning</b>: Invalid argument suplied for each()in <b>/home/scotnet/public_html/admin/menue_compose.php on line 429

anyone?