ArmorPlus Version:
ArmorPlus1.9.4-4.0.4.0.jar

MinecraftForge Version:
2014

Client or Server?:

• Client
• [X ] Server

Crash Report (via. Pastebin):
did not crash

What happens / happened?:

There are 1 missing blocks and items in this save.
If you continue the missing blocks/items will get removed.
A world backup will be automatically created in your saves directory.

Missing Blocks/Items:
armorplus:manyullyn_lhestplate

Run the command /fml confirm or or /fml cancel to proceed.
Alternatively start the server with -Dfml.queryResult=confirm or -Dfml.queryResult=cancel to preselect the answer.

How can I reproduce it?:

This is intended, because it was a fix on a typo mistake I've made.