[Biojava-l] NPE from FlatModel.<init> with SimpleModelInState

[fabian schreiber]

Hello!
This thread appeared about a year ago, but
there was no response to it.
Is there any now?
I'm currently working on a complex HMM with
several SimpleModelInStates.
When i try to call
[code]
DP dp=DPFactory.DEFAULT.createDP(outer_Hmm)
[/code]
, where outer_Hmm is the HMM,
I get the following message:
[code]
java.lang.NullPointerException
	at org.biojava.bio.dp.FlatModel.<init>(FlatModel.java:232)
	at org.biojava.bio.dp.DP.flatView(DP.java:96)
	at org.biojava.bio.dp.DPFactory$DefaultFactory.createDP(DPFactory.java:51)
	at start.main(start.java:103)
[/code]
Can someone help me or give me some advice?
Or is it just a bug and i have to solve the problem
differently?
Thanks a lot!

Fabian