Hello, I have a quick question regarding loading of coarse-grained molecular simulation trajectories generated using the HPS force-field . I have a PSF and DCD generated out of 2 systems, one that contains only protein beads and another of both protein and DNA. I find that the protein only system is read by UCSF ChimeraX and reads both the PSF and DCD of that system, while the protein and DNA system doesn't. I get this error: IndexError: Cannot create Element with atomic number 119 File "atomic_cpp/cymol.pyx", line 967, in chimerax.atomic.cymol.Element._int_to_cpp_element See log for complete Python traceback. I do want to emphasize that since the HPS model is a single bead coarse-grained model, the actual mass of the nucleic acid beads encompass the mass of the sugar and nucleobase and might not reflect any 'elemental mass', (that is what I understood of the error anyway as there were residues which are having greater mass than recorded elements.) However, despite the protein beads also having masses of entire amino acid residues, not elements, the protein only simulation rendered fine. I was wondering whether there is a work around for this? To prevent ChimeraX from seeking element/atom and just utilizing the PSF file and then reading the DCD file as is? Thank you for your time, Best, Sunera