Nether Dupe bug

[j2ther]

Launcher/pack Version: Tekkit v 2.1.1

Operating System: Debian 6 "Squeeze" 64-bit

Version of Java: Java 7

Description of Problem: When placing blocks in the nether the number of blocks in your inventory does not decrease. This seems to happen sporadically and with multiple players.

Error Messages: None

Here is a youtube video showing the duplication problem

http://youtu.be/wm0CfwLw5UQ

Any ideas on whats causing this let me know! Searched around and haven't read of anyone else experiencing this problem.

[ppingos]

I get that too. When you get through portals you get a chance for the blocks to duplicate in the nether. It happens with most vanilla blocks, and EE collectors as far as I know.