RV ERROR "shader? bad tokens?"

Hey all,
Several of my animators (randomly) are getting the following error when opening up RV now:

ERROR: 0:3: ‘#version’ : must occur first in shader
ERROR: 0:3: ‘#version’ : bad profile name; use es, core, or compatibility
ERROR: 0:3: ‘#version’ : bad tokens following profile – expected newline
ERROR: 0:3: ‘’ : missing #endif
ERROR: 0:3: ‘’ : compilation terminated
ERROR: 5 compilation errors. No code generated.
ERROR: 0:3: ‘#version’ : must occur first in shader
ERROR: 0:3: ‘#version’ : bad profile name; use es, core, or compatibility
ERROR: 0:3: ‘#version’ : bad tokens following profile – expected newline
ERROR: 0:3: ‘’ : missing #endif
ERROR: 0:3: ‘’ : compilation terminated
ERROR: 5 compilation errors. No code generated.

This then repeats several times until dumping out this:

INFO: loaded ShotGrid config module ‘shotgrid_fields_config_standard’ (C:/Program Files/ShotGrid/RV-2022.3.0/plugins/Mu/shotgrid_fields_config_standard.mu)
INFO: using shotgrid server ‘https://WEBSITE.URL.REMOVED.FOR.SECURITY
INFO: C:/Users/username/OneDrive - Gearbox Software/Desktop/file.mov
INFO: sgtk_rv_bootstrap Looking for tk-core here: C:/Program Files/ShotGrid/RV-2022.3.0\src\python\sgtk\baked\plugin\bundle_cache\baked\tk-config-rv\v1.4.0\install\core\python
INFO: sgtk_rv_bootstrap:Looking for tk-core here: C:/Program Files/ShotGrid/RV-2022.3.0\src\python\sgtk\baked\plugin\bundle_cache\baked\tk-config-rv\v1.4.0\install\core\python
INFO: Toolkit initialization: ready to import sgtk at 0.00154305 sec.
INFO: Toolkit initialization: sgtk import complete at 0.679017 sec.
INFO: sgtk_rv_bootstrap:Will connect using
INFO: Toolkit initialization: ToolkitManager complete at 0.882267 sec.

Anyone know why this error is popping up for SOME of our animators and not all? Or better yet - how do we fix this error?

Thanks!