Am 15.10.2012 22:45, schrieb Sanzad Siddique: Usually specifying orders this high isn't reasonable. I think there is some message by Jack in the mailing list archives about this stuff. Having said that, if you really need these high orders, you should know what you are doing, and in that case you can/must use the scripting interface. There it should be possible IIRC. Be prepared for numerical convergence problems though. hth, sven