Getting error when adding categories

[ArboristSite]

Unable to create/write to /home/www/arborist/arboristsite.com/docs/reviewpost/data/28! Check your data directory permissions before continuing.

It was working fine until I switched servers recently.
Hope you can help!!

[Chuck S]

Yes Correct if you switch servers you must ensure your server paths are correct in the config file and global options and then make sure the uploads and data directory at every level beneath is set to 777 permissions.