I'm using Mauve to reorder contigs against a reference. My contigs were created using SPADES. I have just received this error and Mauve terminated and I'm not sure why.

Sequence loaded successfully. Error creating sorted mer list. 
Using weight 15 mers for initial seeds.
libc ++ abi.dylib terminating with uncaught exception of type genome:: gnException

Exited with error code: 134