Fixes #10212 - prevent null from being passed to _onFetchError !strict
Fixes #10212 - prevent null from being passed to _onFetchError !strict

git-svn-id: ee6e786acc44c9cca5ee17c71a5576c45c210361@20758 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful