error itms-9000: files not listed in the opf manifest .ibooks:/OPS/assets/widgets/???????????????.dae

I try to publish my book create with ibooks author( with publish button) and in delivery(using itunes producer) process a itms-9000 errror cancel the whole thing. To be accurate a big list of itms-9000 errors which contains the message:

ERROR ITMS-9000: (name of my file).ibooks: the book asset contains files not listed in the OPF manifest: (name of my file).ibooks:/OPS/assets/widgets/?????????-1/???????.c3d or dae or jpg.

Does anyone had the same problem or can anyone help me to fix this issue???. thank you.