running below command

npm start

how to solve it?

[email protected] start npm run build:ts && node ./tools/run-selfhosted.js

[email protected] build:ts tsc

[BOOT/INFO] configuration F:\\artificial-intelligence\\mlproject\\agentic_AI\\my-node-server\\puter\\volatile\\config [BOOT/INFO] working directory F:\\artificial-intelligence\\mlproject\\agentic_AI\\my-node-server\\puter\\volatile\\runtime WORKERS ERROR: Preamble has not been built! Workers will not have access to puter.js To fix this cd into src/backend/src/worker and run npm run build node:internal/child_process:420 throw new ErrnoException(err, 'spawn'); ^

Error: spawn EINVAL at ChildProcess.spawn (node:internal/child_process:420:11) at spawn (node:child_process:786:9) at Kernel.run_npm_install (F:\artificial-intelligence\mlproject\agentic_AI\my-node-server\puter\src\backend\src\Kernel.js:581:22) at Kernel.install_extern_mod_ (F:\artificial-intelligence\mlproject\agentic_AI\my-node-server\puter\src\backend\src\Kernel.js:422:20) at async Promise.all (index 3) at async Kernel.install_extern_mods_ (F:\artificial-intelligence\mlproject\agentic_AI\my-node-server\puter\src\backend\src\Kernel.js:285:30) at async Kernel._install_modules (F:\artificial-intelligence\mlproject\agentic_AI\my-node-server\puter\src\backend\src\Kernel.js:168:9) at async F:\artificial-intelligence\mlproject\agentic_AI\my-node-server\puter\src\backend\src\Kernel.js:139:13 at async F:\artificial-intelligence\mlproject\agentic_AI\my-node-server\puter\src\backend\src\util\context.js:197:20 at async Context.arun (F:\artificial-intelligence\mlproject\agentic_AI\my-node-server\puter\src\backend\src\util\context.js:195:16) { errno: -4071, code: 'EINVAL', syscall: 'spawn' }

Node.js v22.18.0

Oct 15 '25 08:10 vermashobhit1994

Are you trying to run with or without puter workers? What's the expected end result here? If you aren't trying to use puter workers that specific "workers error" error can be safely ignored. This feature requires a cloudflare workers for platforms API key and dispatch namespace to be setup