symfony2 : failed to write cache directory

Question

I have had to use the

app/console cache:clear  command

to solve a problem when generating an entity.

I am now unable to load my ho

Answer 1

You probably aborted a clearcache halfway and now you already have an app/cache/dev_old.

Try this (in the root of your project, assuming you're on a Unixy environment like OS X or Linux):

rm -rf app/cache/dev*