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Thanks for the report! There isn't enough here yet for us to look into it. Could you share:
Your OpenCode version (opencode --version)
Your operating system and how you installed OpenCode
What you were doing when the error appeared (e.g. sending a prompt, logging in, connecting an MCP server, installing a plugin), and which provider/model you were using
The full error message or a screenshot, plus any related log lines
Whether you're behind a corporate proxy, VPN or antivirus that inspects HTTPS traffic
One quick check: CERT_NOT_YET_VALID usually means your computer's date and time are wrong (often set in the past), so a server's certificate looks like it isn't valid yet. Please make sure your system clock and time zone are correct (ideally synced automatically), then try again.
You can reply here with the details or edit the issue. If you edit it, please also leave a comment saying you've updated it, so we know you're done.
I couldn't find an existing report of this exact error. These certificate issues are related but have different causes, ordered from most to least likely to be relevant:
Activity
opencode-agent commentedon Oct 25, 2026
Thanks for the report! There isn't enough here yet for us to look into it. Could you share:
opencode --version)One quick check:
CERT_NOT_YET_VALIDusually means your computer's date and time are wrong (often set in the past), so a server's certificate looks like it isn't valid yet. Please make sure your system clock and time zone are correct (ideally synced automatically), then try again.You can reply here with the details or edit the issue. If you edit it, please also leave a comment saying you've updated it, so we know you're done.
I couldn't find an existing report of this exact error. These certificate issues are related but have different causes, ordered from most to least likely to be relevant:
DEPTH_ZERO_SELF_SIGNED_CERT, a certificate error caused by the network environmentNODE_EXTRA_CA_CERTS) on WindowsTarquinen commentedon Oct 26, 2026
Thanks for the report! There isn't enough information here for us to find the cause, so we're closing this issue.
If this still happens on OpenCode 2.0 (
opencode upgrade --major, details: https://anoma.ly/notes/opencode-2-0), please open a new issue with your OpenCode version, operating system, the model you're using, and any logs or errors you see.— from 𝕺𝖕𝖊𝖓𝕮𝖔𝖉𝖊