1. I think Fun Ores or maybe interaction between Fun Ores and Progressive Automation, but I'm not sure. I'm not familiar with the code for either mod as a mod dev would be; I'm just looking up the classes referred to in the stacktrace.
2. There's a difference between meat ores, which the pig ore is one, and the mob ores, which include the enderman ore.
3. Fun Ores:
Problems? Feature suggestions? Click the "Issues" button above to go to the issue tracker!Or just leave a comment if you REALLY don't want to...
Issue tracker is on github. Progressive Automation:
And bugs should be reported to my issue tracker on github.
Also, you wanted to use it to get ender pearls? Take a look at lines 555-557 of the Fun Ores config. It appears as if they won't drop ender pearls.