me too same trouble but not only that other some things that need adjust :

all the pack need more free space where store the items and i ask this to the support from 2 years ago

1 thing was done : now the messages in the mailbox of the game not expired after 14 days but after 49999 days !!

but this not fix the trouble is only little help

for example there are new ninja ( or new version ) and need more space in the refine fragment of ninja

i hope that this trouble will fix soon