How to resume stopped product step

My final production step has stopped unfortunately, how can I resume the production from the same step where is stopped.

You can continue the simulation by adding -cpi to your mdrun command. For example, gmx mdrun -v -deffnm md_0_1 -cpi md_0_1.cpt -cpt 5 will continue the md_0_1 simulation. Extend or continue a GROMACS simulation - Compchems