problem with c-dft calculations


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Just Got Here
I try to constrain a positive charge on open chain polymethine. As the number of methine groups increases I getting error like this....



 grid_nbfm: silly accgauss         0
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current input line :
6: task dft optimize
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This error has not yet been assigned to a category
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For more information see the NWChem manual at http://www.emsl.pnl.gov/docs/nwchem/nwchem.html


For further details see manual section: No section for this category                                                                                                                                                                                                                                   
Last System Error Message from Task 0:: Inappropriate ioctl for device
0:0: grid_nbfm: silly accgauss:: 0
(rank:0 hostname:shine-PC pid:5178):ARMCI DASSERT fail. armci.c:ARMCI_Error():260 cond:0
 0: ARMCI aborting 0 (0).
0: ARMCI aborting 0 (0).
system error message: Invalid argument

Does anyone know how to solve this problem?