As I said, please provide the log file (until the first MD step) from the gmx_cp2k mdrun -s egfp-qmmm-nvt.tpr -deffnm egfp-qmmm-nvt -v
that will provide more information.
There is also another post on the forum that might be of interest to you: GROMACS 2022+CP2K with GPU - #2 by dmorozov. Apparently not all GPUs are supported with CP2K.