Bug type

Behavior bug (incorrect output/state without crash)

Beta release blocker

No

Summary

After install OpenClaw 2026.4.8, during onbard steps, the system Error reported:
Missing @slack/web-api @buape/carbon grammy

Steps to reproduce

openclaw onboard
openclaw configure

Expected behavior

NOT_ENOUGH_INFO

Actual behavior

Error: Cannot find module '@slack/web-api'
Require stack:- /usr/lib/node_modules/openclaw/dist/client-2KZSMnck.js

Error: Cannot find module '@buape/carbon'
Require stack:- /usr/lib/node_modules/openclaw/dist/ui-ztuR6rec.js

Error: Cannot find module 'grammy'
Require stack:- /usr/lib/node_modules/openclaw/dist/allowed-updates-D6ZdYRyW.js

OpenClaw version

2026.4.8

Operating system

Alibaba Cloud Linux 3.2104 U12 (OpenAnolis Edition)

Install method

npm global

Model

openrouter/qwen/qwen3.6-plus:free

Provider / routing chain

openclaw->gateway->openrouter

Additional provider/model setup details

No response

Logs, screenshots, and evidence

Error: Cannot find module '@slack/web-api'
Require stack:- /usr/lib/node_modules/openclaw/dist/client-2KZSMnck.js

Error: Cannot find module '@buape/carbon'
Require stack:- /usr/lib/node_modules/openclaw/dist/ui-ztuR6rec.js

Error: Cannot find module 'grammy'
Require stack:- /usr/lib/node_modules/openclaw/dist/allowed-updates-D6ZdYRyW.js

Impact and severity

No response

Additional information

My solution can be found as following:

1. Find the OpenClaw Location
   which openclaw

2. enter as
   cd /usr/lib/node_modules/openclaw ##adjusted as your openclaw folder

3. use SUDO to reinstall the node_modules
   sudo npm install -g @slack/web-api @buape/carbon grammy

4. restart the gateway service, and the Web UI can be accessed.