http://codepad.org/X0q4o0Ij

java.lang.NullPointerException
at thaumicenergistics.registries.AEAspectRegister.registerTEItems(AEAspectRegister.java:1001) ~[AEAspectRegister.class:?]
at thaumicenergistics.registries.AEAspectRegister.registerAEAspects(AEAspectRegister.java:1119) ~[AEAspectRegister.class:?]

Basically, it's in this line:
AspectList cellAspects = ThaumcraftApiHelper.getObjectAspects( AEApi.instance().items().itemCell1k.stack( 1 ) ).copy();

All loaded mods are included in the paste above.

See #147 for details.

Update Ae to Rv2 Beta 18.

Thank you.