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DDASSL error in methylformate example reaction system 3 #105

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@faribas

Running the methylformate example (with pressure dependence removed) we run into this error:

Chemkin file contains 870 reactions.
Conducting simulation of reaction system 1...
At time 2.0000e-15 s, species Mofml(55) exceeded the minimum rate for moving to model core
    Characteristic rate: 6.1032e-09 mol/m^3*s
    Mofml(55) rate: 1.2569e-09 mol/m^3*s (0.2059)
At time 5.0000e-01 s, reached target termination time.

Conducting simulation of reaction system 2...
At time 5.8861e-25 s, species OjCHO(57) exceeded the minimum rate for moving to model core
    Characteristic rate: 1.5320e+03 mol/m^3*s
    OjCHO(57) rate: 4.8420e+01 mol/m^3*s (0.03161)
At time 9.4796e-04 s, species Fmoml(56) exceeded the minimum rate for simulation interruption
    Characteristic rate: 3.0768e+03 mol/m^3*s
    Fmoml(56) rate: 3.0878e+03 mol/m^3*s (1.004)

Conducting simulation of reaction system 3...
 ***MESSAGE FROM ROUTINE DDASSL IN LIBRARY SLATEC.
 ***POTENTIALLY RECOVERABLE ERROR, PROGRAM CONTINUES.
 *  AT T =    1.000000D-15  SOME ELEMENT OF WT HAS BECOME .LE. 0.0
 *  ERROR NUMBER = -3
 *   
 ***END OF MESSAGE

 ***MESSAGE FROM ROUTINE DDASSL IN LIBRARY SLATEC.
 ***FATAL ERROR, PROGRAM ABORTED.
 *  THE LAST STEP TERMINATED WITH A NEGATIVE VALUE OF IDID =       -3 AND NO
 *  APPROPRIATE ACTION WAS TAKEN.  RUN TERMINATED
 *  ERROR NUMBER = -998
 *   
 ***END OF MESSAGE

 ***JOB ABORT DUE TO FATAL ERROR.

Strangely, the error message is only saved in the RMG_backup.log file.
nb. this is on our "scoop" (parallel processing) branch.

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