no drop from dual bosses

hi team, before describe the issue thanks in advance for amazing game and job.
Like i say in the title, when kill a dual boss at the same time no drop. I deactivate the filter of course to check.

its happend 2 or 3 times in WOODLAND map and now happend in SEALED VAULT. i have the bug numbers 2.204.999.872 for the WOODLAND map and 3.931.739.616 for SEALED VAULT.

https://imgur.com/a/p9FfV3j

https://imgur.com/a/sfzQx7g

i dont know how share images :D

thanks!

Nahuel