Unexpected unknown exception from MEX file

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I am trying to use the code for opposed flame with added plasma species and 
reactions, so if I add new species, for eg. in my case if I add ions and 
electrons as new species and also gave transport properties it keeps giving me 
the following error

??? Unexpected unknown exception from MEX file.

Error in ==> trans_get at 9
  v = ctmethods(50, n, job, a, b);

Error in ==> Transport.Transport at 23
  tr.id = trans_get(hndl(th), -1, tr.model, loglevel) ;

Error in ==> Solution.Solution at 40
tr = Transport(node,t,'default',4);

Error in ==> GRI30 at 25
    s = Solution('gri_feb14.cti','gri30_mix');

Error in ==> diffflame at 46
gas = GRI30('Mix')

thanks, Any help will be appreciated,
Parth Shah

Original issue reported on code.google.com by parth.bu...@gmail.com on 14 Feb 2012 at 8:40

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Can you post the modified files you're using? It's not really possible to know 
what's going wrong without them.

Original comment by yarmond on 15 Feb 2012 at 10:31

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Original comment by yarmond on 10 Apr 2012 at 12:01

• Added labels: Version-1.8

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This issue can't be resolved with the supplied information.

Original comment by yarmond on 17 May 2012 at 9:25

• Changed state: Invalid