Compacting drawers dont register both EnderIO nugget variants of metals if you insert either the ingot or block form of those metals to first populate a compacting drawer, if you use the nugget however it populates as it should.

Left drawers populated with block form, center with ingot and right with nugget

Affected Versions

Storage Drawers-1.10.2-3.2.6
EnderIO-1.10.2-3.0.1.101

Can you enable debug logging in SD's options, and then copy what gets printed to the console/log when you try inserting the ingot?

Pastebin of the console log http://pastebin.com/f6vBcHLE

edit: cut out extraneous stuff and labelled what each was just in case.

Fixed in 3.2.7. I'm sure there's a few others this will catch too.