openclaw - 💡(How to fix) Fix [Bug]: HTTP 400: Error validating JSON Schema: <SchemaError: "None is not of type 'array'"> [1 participants]

Bug type

Regression (worked before, now fails)

Summary

The computer restart and I open openclaw agent, and I found it report this error in the webui. Maybe I changed the openclaw.json and make mistakes? I tried set "openclaw config; openclaw doctor --fix" again, but this error still occur. here's my openclaw.json, hope it can help fix this problem, because this's important for me:

Steps to reproduce

{ "meta": { "lastTouchedVersion": "2026.3.11", "lastTouchedAt": "2026-03-12T07:57:50.420Z" }, "wizard": { "lastRunAt": "2026-03-12T07:57:50.409Z", "lastRunVersion": "2026.3.11", "lastRunCommand": "configure", "lastRunMode": "local" }, "auth": { "profiles": { "kimi-coding:default": { "provider": "kimi-coding", "mode": "api_key" } } }, "models": { "mode": "merge", "providers": { "kimi-coding": { "baseUrl": "https://api.kimi.com/coding/", "api": "anthropic-messages", "models": [ { "id": "k2p5", "name": "Kimi for Coding", "reasoning": true, "input": [ "text", "image" ], "cost": { "input": 0, "output": 0, "cacheRead": 0, "cacheWrite": 0 }, "contextWindow": 262144, "maxTokens": 32768 } ] }, "xiaocaseai": { "baseUrl": "https://api.xiaocaseai.cloud/v1", "apiKey": "aaa", "api": "openai-completions", "models": [ { "id": "kimi-k2.5", "name": "kimi-k2.5 (Custom Provider)", "api": "openai-completions", "reasoning": false, "input": [ "text" ], "cost": { "input": 0, "output": 0, "cacheRead": 0, "cacheWrite": 0 }, "contextWindow": 256000, "maxTokens": 8192 } ] } } }, "agents": { "defaults": { "model": { "primary": "xiaocaseai/kimi-k2.5", "fallbacks": [ "kimi-coding/k2p5" ] }, "models": { "kimi-coding/k2p5": { "alias": "Kimi for Coding" }, "xiaocaseai/kimi-k2.5": {} }, "workspace": "/root/.openclaw/workspace", "memorySearch": { "remote": { "apiKey": "bbb" } }, "compaction": { "mode": "safeguard" }, "maxConcurrent": 4, "subagents": { "maxConcurrent": 8 } } }, "tools": {}, "messages": { "ackReactionScope": "group-mentions" }, "commands": { "native": "auto", "nativeSkills": "auto", "restart": true, "ownerDisplay": "raw" }, "session": { "dmScope": "per-channel-peer" }, "hooks": { "internal": { "enabled": true, "entries": { "session-memory": { "enabled": true }, "command-logger": { "enabled": true }, "bootstrap-extra-files": { "enabled": true }, "boot-md": { "enabled": true } } } }, "gateway": { "port": 18789, "mode": "local", "bind": "loopback", "auth": { "mode": "token", "token": "ccc" }, "tailscale": { "mode": "off", "resetOnExit": false }, "nodes": { "denyCommands": [ "camera.snap", "camera.clip", "screen.record", "calendar.add", "contacts.add", "reminders.add" ] } } }

Expected behavior

no mistake

Actual behavior

HTTP 400: Error validating JSON Schema: <SchemaError: "None is not of type 'array'">

OpenClaw version

OpenClaw 2026.3.11

Operating system

ubuntu 22.04

Install method

No response

Model

kimi k2.5

Provider / routing chain

api.xiaocaseai.com

Config file / key location

~/.openclaw/openclaw.json

Additional provider/model setup details

No response

Logs, screenshots, and evidence

Impact and severity

No response

Additional information

No response