Too many certificates (5) already issued for this exact set of domains in the

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1

too many certificates (5) have already been issued for this exact set of domains in the
last 168 hours: example.com login.example.com: see Duplicate Certificate Limit - Let's Encrypt

how to fix this

2

So you've already linked to the documentation page that describes the limit, and a possible workaround. Why were you creating so many duplicate certificates? If you need to do testing, use the staging environment instead.

3

Hi @Mrx,

Wait the allotted time.

See Rate Limits - Let's Encrypt,
and Failed Validation Limit - Let's Encrypt,
and Registrations Per IP Limit - Let's Encrypt