So by default I have the pack set to mob griefing off, and for good reason (lot's of hard work went into builds, did not want them inadvertently destroyed by a rogue creeper or such). So if you turned it back on and it is still not working then not sure why that is happening.
EDIT: for the AW crash, will try to replicate later today.
EDIT: for the AW crash, will try to replicate later today.