To further clarify this is a truncated list of the mods I am using. A full list can be provided but all I did was update Angels Smelting to 4.6 to try and play on a multiplayer server and this error code showed up. I tried going back to 4.5 but it was not until 4.3 that I was able to play again ...

Thanks Angel for the reply. I play with alot more on but even with this list the angels smelting give the line 17 error message. What if any mods should be added to this list maybe I am missing something?

This is a list of the mods I am trying to load and enabled but I am still getting this error ...

Been playing bobs and angels for couple weeks and then still happened on a load. Searched the net and this forum cant find anything.
Tried loading with only Angels smelting, petrochem and refining. Also tried loading with Bobs library and ore still wont load.
Tried rolling back to version 0.4.5 and ...