was just flying around and poof it crashed :( im using the 1.9 version as i was told that mods should work on both
crashlog : https://gist.github.com/johnfg12/53e149d30072687fce945bd72fe664e3

also https://gist.github.com/johnfg12/6615f754db0b78dd3637ab94993bf9f7 :(

I'm suffering what appears to be the same crash, which seems to be related to lowland river generation.

Crash report here: http://pastebin.com/auhdyXQj