Lots of object such as both skystone chest , the crank and the cyrstal whitin the charger show up as invisible blocks, im using 1.16.1 along biomes o plenty and quark.

the skystone chest is not showing and crank is on top of the charger in this image
https://cdn.discordapp.com/attachments/724785144958812170/753838086215041146/unknown.png

found the cause is opti fine