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Next.js 15 / Turbopack: Webpack loader is not supported with Turbopack

Error: Webpack loader "raw-loader" configured in webpack configuration is not supported with Turbopack.
Immediate Remediation
typescript
Use Turbopack native rules in experimental.turbo.rules in next.config.js, or use `import content from "./file.txt?raw"`.
Root Cause Analysis

Encountered in Next.js 15 / Turbopack when standard runtime constraints or configuration contracts are breached.

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