versions of the following files are not supported

We recently upgraded to 2021 sp5 solidworks and we've been getting a warning when loading a solidworks file to grabCAD.

Version(s) of the following files are not supported. CLICK HERE for a list of supported formats and versions.

We Click to see the list of supported files and 2021 is on the list with out any release version. What happened.

Please do not open any links and do not make calls (including WhatsApp) to any numbers from messages sent by accounts such as Grabcad Verification, etc. - these are phishing ones. Please do not make any payments. Our security team is currently working on a solution.