This is most likely to be a PDB file header or formatting issue… would you be able to share a sample VESTA-exported PDB file so we can help troubleshoot? If so, please send it to: info@clarafi.com
Thanks for your question Craig. With the adoption of Python 3 in Maya 2022, this means a fair bit of recording on our end to make Molecular Maya ready for this… but we are hoping to have a new version ready in Q1 of 2022. Stay tuned.