I deleted routeTree.gen.ts and now cannot re-generate it

In TS Router, I've deleted the generated routeTree.gen.ts in hope that re-generating it would resolve some bugs. But the

bun dev

bun dev

that is supposed to generate the file now gives me error

Pre-transform error: Failed to resolve import "./routeTree.gen" from "src/main.tsx". Does the file exist?

Pre-transform error: Failed to resolve import "./routeTree.gen" from "src/main.tsx". Does the file exist?

. Is there special command that I could use to initially generate the file?