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
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.
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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
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