Sophos Mobile Apple APN renew certificate invalid certificate signing request apple.csr

I have to renew the Apple APN in the future and tried to do this to day.

When I upload the downloaded apple.csr from Sophos Mobile I receive the error Invalid Certificate Signing Reguest:

Is this a known issue at the moment?


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[edited by: GlennSen at 6:51 AM (GMT -8) on 30 Jan 2024]