Engineer wont grab materials?

[Natah_Bish]

I'm not sure if this is a bug in the new experimental version, but for some reason my engineer (permanently assigned) will not grab materials stored in the appropriate box to build with, but if I manually give him the material he will instantly run to go and build whenever needs built. If any other info is needed to fix this please ask and I will give anything to fix this, micromanaging gets really annoying.

Please Help,
Nate

Edit: Sometimes he runs back and forth between what ever needs building and the materials (Iron Plates and Building Materials)

[Suorin]

He will take iron plates only from Storage: Iron Plate, building materials only from Storage: Building Materials etc.

[Natah_Bish]

Yes I have those and I actually even have more than just 1 of them, I have about 150 building materials, and about 120 iron plates in the correct storage and he still wont grab them.

[Suorin]

When my engineer works at stone mining, he fills his backpack with stones and will not drop them in order to pick materials for engineering. Can you check if he has full inventory?

[swillo]

What version? With 93.9 my engineers are taking materials again, but they just are not building.

[Natah_Bish]

His inventory is empty and the version is the most recent experimental version. Thanks for trying to help