[gmx-users] Membrane simulation fatal error

[muhammad tahir ayub]

Dear Gromacs Experts

I am running a tutoriall for the membrane simulation,
I found the following fatal error on running grompp command

Fatal error:
Atomtype CA not found

my lipid.itp or ffnonbonded.itp do not contain the HW atom types or the
lines like
;; parameters for lipid-GROMOS interactions.

I have spended three hours for this error but could not get rid of this
error
kindly help me
Thanks in advance for your kind suggestions

*Muhammad Tahir*
*Ayub*

*Junior Research Fellow*

*H.E.J Research Institute of Chemistry*