ignore a problem
run into a problem
avoid a problem
Cause a problem
aggravate a problem
solve a problem
identify a problem
deal with a problem
unexpectedly encounters a problem or get into a problem when you were not expecting it.
prevent a problem from happening
make a problem worse
find a problem
do anything (nothing) about a problem
to completely fix a problem
try to take care of a problem
make a problem, or start it
