builds but dies on copperWire

2013-07-04 01:16:50 [SEVERE] [ForgeModLoader] Basic Components: Failed
to require block: copperWire
2013-07-04 01:16:50 [INFO] [STDERR] java.lang.NullPointerException
2013-07-04 01:16:50 [INFO] [STDERR]  at
basiccomponents.common.BasicComponents.requireBlock(BasicComponents.java:384)