Agent failed before reply: Unknown model: anthropic/claude-sonnet-4.
I changed my model from opus to sonnet 4 last night and now i'm getting the error above.
09:28:41 info Session store (main): /home/ubuntu/.openclaw/agents/main/sessions/sessions.json (304 entries)
09:28:41 info - agent:main:cron:cc01ff65-833f-4ff1-8d48-6a41cbf19cfe (3m ago)
09:28:41 info - agent:main:cron:cc01ff65-833f-4ff1-8d48-6a41cbf19cfe:run:41cb38be-1bbf-4b20-943e-6195a0bae085 (3m ago)
09:28:41 info - agent:main:cron:a70fe90e-4e8a-44b6-811e-dc6b3e1a70ee (4m ago)
09:28:41 info - agent:main:cron:a70fe90e-4e8a-44b6-811e-dc6b3e1a70ee:run:feb1c34a-6b43-4ac2-95cf-adb123b2ec02 (4m ago)
09:28:41 info - agent:main:cron:03c6df3c-1f66-43f2-b8f4-39afae5dd915 (8m ago)
09:28:41 info Run "openclaw doctor --fix" to apply changes.
09:28:42 info 2026.2.17
09:28:44 info ββββββββββββββββββββββββββββββββββββββββββββββββββββ
ββββββββββββββββββββββββββββββββββββββββββββββββββββ
ββββββββββββββββββββββββββββββββββββββββββββββββββββ
ββββββββββββββββββββββββββββββββββββββββββββββββββββ
ββββββββββββββββββββββββββββββββββββββββββββββββββββ
OPENCLAW
09:28:46 info Telegram: ok (@e8rthbot) (141ms)
09:28:46 info Agents: main (default)
09:28:46 info Heartbeat interval: 1h (main)
09:28:46 info Session store (main): /home/ubuntu/.openclaw/agents/main/sessions/sessions.json (302 entries)
09:28:46 info - agent:main:cron:cc01ff65-833f-4ff1-8d48-6a41cbf19cfe (3m ago)
09:28:46 info - agent:main:cron:cc01ff65-833f-4ff1-8d48-6a41cbf19cfe:run:41cb38be-1bbf-4b20-943e-6195a0bae085 (3m ago)
09:28:46 info - agent:main:cron:a70fe90e-4e8a-44b6-811e-dc6b3e1a70ee (4m ago)
09:28:46 info - agent:main:cron:a70fe90e-4e8a-44b6-811e-dc6b3e1a70ee:run:feb1c34a-6b43-4ac2-95cf-adb123b2ec02 (4m ago)
09:28:46 info - agent:main:cron:03c6df3c-1f66-43f2-b8f4-39afae5dd915 (8m ago)
09:28:46 info Run "openclaw doctor --fix" to apply changes.
09:28:48 debug plugins {"subsystem":"plugins"} plugin CLI register skipped (memory-core): command already registered (memory)
09:28:48 info No npm-installed plugins to update.
09:28:50 info {
"service": {
"label": "systemd",
"loaded": true,
"loadedText": "enabled",
"notLoadedText": "disabled",
"command": {
"programArguments": [
"/usr/bin/node",
"/home/ubuntu/.npm-global/lib/node_modules/openclaw/dist/index.js",
"gateway",
"--port",
"18789"
],
"environment": {
"OPENCLAW_GATEWAY_PORT": "18789"
},
"sourcePath": "/home/ubuntu/.config/systemd/user/openclaw-gateway.service"
},
"runtime": {
"status": "running",
"state": "active",
"subState": "running",
"pid": 274126,
"lastExitStatus": 0,
"lastExitReason": "0"
},
"configAudit": {
"ok": true,
"issues": []
}
},
"config": {
"cli": {
"path": "/home/ubuntu/.openclaw/openclaw.json",
"exists": true,
"valid": true
},
"daemon": {
"path": "/home/ubuntu/.openclaw/openclaw.json",
"exists": true,
"valid": true
}
},
"gateway": {
"bindMode": "loopback",
"bindHost": "127.0.0.1",
"port": 18789,
"portSource": "service args",
"probeUrl": "ws://127.0.0.1:18789",
"probeNote": "Loopback-only gateway; only local clients can connect."
},
"port": {
"port": 18789,
"status": "busy",
"listeners": [
{
"pid": 274126,
"command": "openclaw-gatewa",
"address": "127.0.0.1:18789",
"commandLine": "openclaw-gateway",
"user": "ubuntu"
}
],
"hints": [
"Gateway already running locally. Stop it (openclaw gateway stop) or use a different port."
]
},
"rpc": {
"ok": true,
"url": "ws://127.0.0.1:18789"
},
"extraServices": []
}
09:28:51 info gateway {"subsystem":"gateway"} signal SIGTERM received
09:28:51 info gateway {"subsystem":"gateway"}
09:28:41 info Session store (main): /home/ubuntu/.openclaw/agents/main/sessions/sessions.json (304 entries)
09:28:41 info - agent:main:cron:cc01ff65-833f-4ff1-8d48-6a41cbf19cfe (3m ago)
09:28:41 info - agent:main:cron:cc01ff65-833f-4ff1-8d48-6a41cbf19cfe:run:41cb38be-1bbf-4b20-943e-6195a0bae085 (3m ago)
09:28:41 info - agent:main:cron:a70fe90e-4e8a-44b6-811e-dc6b3e1a70ee (4m ago)
09:28:41 info - agent:main:cron:a70fe90e-4e8a-44b6-811e-dc6b3e1a70ee:run:feb1c34a-6b43-4ac2-95cf-adb123b2ec02 (4m ago)
09:28:41 info - agent:main:cron:03c6df3c-1f66-43f2-b8f4-39afae5dd915 (8m ago)
09:28:41 info Run "openclaw doctor --fix" to apply changes.
09:28:42 info 2026.2.17
09:28:44 info ββββββββββββββββββββββββββββββββββββββββββββββββββββ
ββββββββββββββββββββββββββββββββββββββββββββββββββββ
ββββββββββββββββββββββββββββββββββββββββββββββββββββ
ββββββββββββββββββββββββββββββββββββββββββββββββββββ
ββββββββββββββββββββββββββββββββββββββββββββββββββββ
OPENCLAW 09:28:46 info Telegram: ok (@e8rthbot) (141ms)
09:28:46 info Agents: main (default)
09:28:46 info Heartbeat interval: 1h (main)
09:28:46 info Session store (main): /home/ubuntu/.openclaw/agents/main/sessions/sessions.json (302 entries)
09:28:46 info - agent:main:cron:cc01ff65-833f-4ff1-8d48-6a41cbf19cfe (3m ago)
09:28:46 info - agent:main:cron:cc01ff65-833f-4ff1-8d48-6a41cbf19cfe:run:41cb38be-1bbf-4b20-943e-6195a0bae085 (3m ago)
09:28:46 info - agent:main:cron:a70fe90e-4e8a-44b6-811e-dc6b3e1a70ee (4m ago)
09:28:46 info - agent:main:cron:a70fe90e-4e8a-44b6-811e-dc6b3e1a70ee:run:feb1c34a-6b43-4ac2-95cf-adb123b2ec02 (4m ago)
09:28:46 info - agent:main:cron:03c6df3c-1f66-43f2-b8f4-39afae5dd915 (8m ago)
09:28:46 info Run "openclaw doctor --fix" to apply changes.
09:28:48 debug plugins {"subsystem":"plugins"} plugin CLI register skipped (memory-core): command already registered (memory)
09:28:48 info No npm-installed plugins to update.
09:28:50 info {
"service": {
"label": "systemd",
"loaded": true,
"loadedText": "enabled",
"notLoadedText": "disabled",
"command": {
"programArguments": [
"/usr/bin/node",
"/home/ubuntu/.npm-global/lib/node_modules/openclaw/dist/index.js",
"gateway",
"--port",
"18789"
],
"environment": {
"OPENCLAW_GATEWAY_PORT": "18789"
},
"sourcePath": "/home/ubuntu/.config/systemd/user/openclaw-gateway.service"
},
"runtime": {
"status": "running",
"state": "active",
"subState": "running",
"pid": 274126,
"lastExitStatus": 0,
"lastExitReason": "0"
},
"configAudit": {
"ok": true,
"issues": []
}
},
"config": {
"cli": {
"path": "/home/ubuntu/.openclaw/openclaw.json",
"exists": true,
"valid": true
},
"daemon": {
"path": "/home/ubuntu/.openclaw/openclaw.json",
"exists": true,
"valid": true
}
},
"gateway": {
"bindMode": "loopback",
"bindHost": "127.0.0.1",
"port": 18789,
"portSource": "service args",
"probeUrl": "ws://127.0.0.1:18789",
"probeNote": "Loopback-only gateway; only local clients can connect."
},
"port": {
"port": 18789,
"status": "busy",
"listeners": [
{
"pid": 274126,
"command": "openclaw-gatewa",
"address": "127.0.0.1:18789",
"commandLine": "openclaw-gateway",
"user": "ubuntu"
}
],
"hints": [
"Gateway already running locally. Stop it (openclaw gateway stop) or use a different port."
]
},
"rpc": {
"ok": true,
"url": "ws://127.0.0.1:18789"
},
"extraServices": []
}
09:28:51 info gateway {"subsystem":"gateway"} signal SIGTERM received
09:28:51 info gateway {"subsystem":"gateway"}
The AI that actually does things. Emails, calendar, home automation - all from your favorite chat app. New shell, ready to help. The lobster way.
131,281Members
Resources
Was this page helpful?
