BUGFIX fixed a situation which would trigger a crash (from r88573)
BUGFIX fixed a situation which would trigger a crash (from r88573)

mandrew/silverstripe-subsites,petpack/silverstripe-subsites,mandrew/silverstripe-subsites,mikenz/silverstripe-simplesubsites,wernerkrauss/silverstripe-subsites,petpack/silverstripe-subsites,danaenz/silverstripe-subsites,mikenz/silverstripe-simplesubsites,danaenz/silverstripe-subsites,silverstripe/silverstripe-subsites,dnadesign/silverstripe-subsites,wernerkrauss/silverstripe-subsites,dnadesign/silverstripe-subsites,silverstripe/silverstripe-subsites