Sorry if I misinterpreted the question, for the student version, the 2023 R1 version will be online, shortly.
Please take a look and download and install it once it is available and see if that helps with this issue.
Upadate: Ansys LS-DYNA Student Version | Ansys It is live on the US site.
-Aniket
How to access Ansys help links
You are navigating away from the AIS Discovery experience