Let's encrypt certs no longer working for uploads about pause HOT 9 OPEN

dankogai@dan-imac151 Mozilla-CA-20211001 % /usr/bin/lwp-request -S -mHEAD https://letsencrypt.org 
HEAD https://letsencrypt.org
500 Can't verify SSL peers without knowing which Certificate Authorities to trust
Content-Type: text/plain
Client-Date: Wed, 06 Oct 2021 04:42:05 GMT
Client-Warning: Internal response

dankogai@dan-imac151 Mozilla-CA-20211001 % /usr/bin/perl -Mblib /usr/bin/lwp-request -S -mHEAD https://letsencrypt.org
HEAD https://letsencrypt.org
200 OK
Cache-Control: public, max-age=0, must-revalidate
Date: Tue, 05 Oct 2021 21:21:35 GMT
Age: 26437
ETag: "d4df183f7758fd506fa0773d5b95b42a-ssl"
Server: Netlify
Content-Length: 32087
Content-Type: text/html; charset=UTF-8
Client-Date: Wed, 06 Oct 2021 04:42:12 GMT
Client-Peer: 104.248.158.121:443
Client-Response-Num: 1
Client-SSL-Cert-Issuer: /C=US/O=Let's Encrypt/CN=R3
Client-SSL-Cert-Subject: /CN=lencr.org
Client-SSL-Cipher: ECDHE-ECDSA-AES256-GCM-SHA384
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