1. may i know what this error means? What should i do to fixed it?
Index 3337 is larger than the number of atoms in the
trajectory file (3336). There is a mismatch in the contents
of your -f, -s and/or -n files.
For more information and tips for troubleshooting, please check the GROMACS
website at http://www.gromacs.org/Documentation/Errors
2. i already done the rmsd but i dont get the stable rmsd graph can u suggest some thing that i can done or mistake that i done that i got unstable rmsd graph?