fault in updating

Unknown

hello,

i have a problem with an update.
i had a report that i could update the game. but when im at the google playstore it wont update and they say:

update for marvel puzzle quest dark reign can not be download error (498) and nothing.

what can i do? i have already 1 time lost al the progress of my game and i dont want that again.

who can help me?
thx