[BlueOnyx:25574] Issue with SSL certs on 5210R

[JW Ronken]

Hi
Trying to upload a custom wildcard SSL cert and the root certs for it but
getting

Unable to read uploaded certificate. Only files with the file extension
'*.txt', '*.csr', '*.cert' or '*.crt' are allowed. Please try again.

The certs are RapidSSl .crt and a DigicertCA.crt but no luck (not even when
renaming to anything else.
Any clues?
thanks
Janwillem
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