why my plants got a lot of these..

[Yuet_Lee]

My green pepper plants & aubergine plant in my greenhouse, plants have a not of unsuccessfully fruits!
Its all went moldy like these :'(
please anybody know why?

[Yuet_Lee]

[PurpleHeather]

Humidity.

They like to be very well ventilated.

[greenscrump]

Looks to me like they haven't been pollinated.

[grawrc]

Aubergines thrive on humidity!

[Yuet_Lee]

I did leave my green house's door open most time!