Hello Hunters!
We communicated yesterday that we intended to perform a hotfix today to rectify the current issues with callers. It will in fact need a little more time than forseen to ensure that our fix works correctly, so therefore the release has been pushed back slightly.
Current goal is that we get this update to you tomorrow. If for any reason this is not possible then we will rollback our earlier patch so that you can have full functionality of callers whilst we work on a permanent solution.
Thanks for your patience!
/theHunter Call of the Wild Team