[gmx-users] Not enough memory. Failed to calloc :

[Nikhil Maroli]

Dear all,
i was trying run g_mmpbsa for trajectory of 100ns protein-ligand system
with a total of 60686 atoms including water,ions and proteins,
it ended up with the following error

Fatal error:
Not enough memory. Failed to calloc -1082130432 elements of size 4 for
grps[j].nm_ind
(called from file
/home/rajendra/software/gromacs_source/gromacs-5.0.5/src/gromacs/fileio/tpxio.c,
line 2510)
For more information and tips for troubleshooting, please check the GROMACS
website at http://www.gromacs.org/Documentation/Errors

Kindly advice me the on this problem


-- 
Ragards,
Nikhil Maroli