--- title: How to Fix a Failing GitHub PR: Debugging CI, Lint... description: A step-by-step guide to debugging failing GitHub pull requests across multiple CI layers. It covers fixing authentication/permission errors with Personal... canonical: https://daily.dev/posts/how-to-fix-a-failing-github-pr-debugging-ci-lint-errors-and-build-errors-step-by-step-ycspzemmn twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: How to Fix a Failing GitHub PR: Debugging CI, Lint Errors, and Build Errors Step by Step | daily.dev og:description: A step-by-step guide to debugging failing GitHub pull requests across multiple CI layers. It covers fixing authentication/permission errors with Personal... og:url: https://daily.dev/posts/how-to-fix-a-failing-github-pr-debugging-ci-lint-errors-and-build-errors-step-by-step-ycspzemmn og:image: https://api.daily.dev/og/posts/ycspZEMMn.png og:image:alt: How to Fix a Failing GitHub PR: Debugging CI, Lint Errors, and Build Errors Step by Step og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # How to Fix a Failing GitHub PR: Debugging CI, Lint Errors, and Build Errors Step by Step **[freeCodeCamp](https://daily.dev/sources/freecodecamp)** · 8 min read · 2 upvotes · 0 comments ## Summary A step-by-step guide to debugging failing GitHub pull requests across multiple CI layers. It covers fixing authentication/permission errors with Personal Access Token scopes, running lint checks locally with markdownlint-cli2, resolving common markdown lint errors (non-descriptive links, line length, list indentation), fixing malformed inline-code block, fixing build errors like duplicate entries in navigation files, understanding cascading CI failures and how to trace them to the root cause, and safely handling Git branch divergence with rebase vs merge and force-with-lease. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [How to Catch Security Vulnerabilities in Code Before They Reach Your Pull Requests](https://daily.dev/posts/how-to-catch-security-vulnerabilities-in-code-before-they-reach-your-pull-requests-bfxw4rcsv) · freeCodeCamp · 3 upvotes · 1 comments - [GitHub Actions](https://daily.dev/posts/github-actions-igdtp4vhf) · Medium · 1 upvotes · 0 comments - [How We Use CI to Check Code Standards on Every PR](https://daily.dev/posts/how-we-use-ci-to-check-code-standards-on-every-pr-cfli97jeg) · Cloud Four · 0 upvotes · 0 comments - [From idea to pull request: A practical guide to building with GitHub Copilot CLI](https://daily.dev/posts/from-idea-to-pull-request-a-practical-guide-to-building-with-github-copilot-cli-fyq2xmhw0) · GitHub Blog · 0 upvotes · 0 comments - [Using Git Pre-Commit Hooks](https://daily.dev/posts/using-git-pre-commit-hooks-hwaqvr4rm) · Scott's Weblog · 1 upvotes · 0 comments --- Tags: [#cicd](https://daily.dev/tags/cicd), [#git](https://daily.dev/tags/git), [#github-actions](https://daily.dev/tags/github-actions) [View this post on daily.dev](https://daily.dev/posts/how-to-fix-a-failing-github-pr-debugging-ci-lint-errors-and-build-errors-step-by-step-ycspzemmn) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"How to Fix a Failing GitHub PR: Debugging CI, Lint Errors, and Build Errors Step by Step","url":"https://daily.dev/posts/how-to-fix-a-failing-github-pr-debugging-ci-lint-errors-and-build-errors-step-by-step-ycspzemmn","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/how-to-fix-a-failing-github-pr-debugging-ci-lint-errors-and-build-errors-step-by-step-ycspzemmn"},"datePublished":"2026-04-22T20:11:57.203Z","dateModified":"2026-04-22T20:12:22.256Z","description":"A step-by-step guide to debugging failing GitHub pull requests across multiple CI layers. 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