Gromacs 2021 beta installaion

GROMACS version:
GROMACS modification: Yes/No
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During install of gromacs 2021 beta get below error, my operation system is ubuntu 20.04 and cuda 11.2, i cant install any version of gromacs.please help me.

Hi biotech70,

Thanks a lot for trying the beta and testing! This is very much appreciated from our side - we believe we fixed the issue in the release candidate now. If you have the time, can you download the release candiate and check if the error vanished?

Best regards and thanks again for testing!