opentui: fatal: Added line count did not match for hunk at line 76 #3700

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1. duhduhdan

   added

   bugSomething isn't workingSomething isn't working

   on Nov 1, 2025
2. github-actions

   added

   opentuiThis relates to changes in v1.0, now that opencode uses opentuiThis relates to changes in v1.0, now that opencode uses opentui

   on Nov 1, 2025
3. github-actions

   assigned

   thdxr

   on Nov 1, 2025
4. github-actions commented on Nov 1, 2025

   

   github-actionsBot

   on Nov 1, 2025 – with GitHub Actions

   Contributor

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   This issue might be a duplicate of existing issues. Please check:

   • AI_APICallError: tool_use blocks found without corresponding tool_result blocks #2720: Reports the exact same 'tool_use blocks found without corresponding tool_result blocks' error that triggers this diff parsing issue
   • AI_APICallError: messages.3: tool_use ids were found without tool_result blocks immediately after: toolu_01G5ipgNZWmDHuV6cvzyQpfH. Each tool_use block must have a corresponding tool_result block in the next message. #2214: Another instance of the tool_use/tool_result mismatch error
   • AI_APICallError: tool_use ids were found without tool_result blocks immediately after #1662: Similar tool_use/tool_result validation error
   • [bug]: /undo is broken when you re-open opencode #2379: Specifically mentions /undo being broken with diff-related errors

   Feel free to ignore if none of these address your specific case.
5. thdxr

   assigned

   kommander

   and

   thdxr

   and unassigned

   thdxr

   and

   kommander

   on Nov 1, 2025
6. devmcclu commented on Nov 3, 2025

   

   devmcclu

   on Nov 3, 2025

   More actions

   Looks like I have a similar issue:

   I was writing a prompt using OpenCode Zen Big Pickle. I canceled the prompt using esc-esc then used /undo when this occurred. Trying to re-open the session results in this issue showing up:

   Error: Added line count did not match for hunk at line 5
       at parseHunk (../../node_modules/.bun/diff@8.0.2/node_modules/diff/libesm/patch/parse.js:119:23)
       at parseIndex (../../node_modules/.bun/diff@8.0.2/node_modules/diff/libesm/patch/parse.js:38:34)
       at parsePatch (../../node_modules/.bun/diff@8.0.2/node_modules/diff/libesm/patch/parse.js:127:9)
       at <anonymous> (src/cli/cmd/tui/routes/session/index.tsx:387:23)
       at <anonymous> (src/cli/cmd/tui/routes/session/index.tsx:396:8)
       at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
       at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
       at readSignal (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:660:67)
       at <anonymous> (src/cli/cmd/tui/routes/session/index.tsx:633:45)
       at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
       at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
       at createMemo (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:273:10)
       at when (src/cli/cmd/tui/routes/session/index.tsx:633:30)
       at <anonymous> (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1554:72)
       at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
       at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
       at createMemo (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:273:10)
       at <anonymous> (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1554:30)
       at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
       at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
       at createMemo (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:273:10)
       at Switch (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1546:22)
       at untrack (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:475:12)
       at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
       at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
       at devComponent (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:593:3)
       at createRoot (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:203:12)
       at <anonymous> (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1173:23)
       at untrack (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:475:12)
       at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
       at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
       at createMemo (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:273:10)
       at untrack (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:475:12)
       at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
       at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
       at devComponent (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:593:3)
       at <anonymous> (src/cli/cmd/tui/routes/session/index.tsx:507:30)
       at children (src/cli/cmd/tui/routes/session/index.tsx:686:20)
       at <anonymous> (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1532:21)
       at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
       at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
       at createMemo (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:273:10)
       at untrack (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:475:12)
       at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
       at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
       at devComponent (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:593:3)
       at children (src/cli/cmd/tui/routes/session/index.tsx:426:23)
       at <anonymous> (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1057:29)
       at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
       at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
       at createMemo (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:273:10)
       at children (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:616:20)
       at untrack (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:475:12)
       at <anonymous> (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1052:36)
       at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
       at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
       at createRenderEffect (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:240:75)
       at provider (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1052:5)
       at untrack (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:475:12)
       at runComputation...
   

   No tool usage calls where happening, so confused what the issue might be

   OpenCode version

   v1.0.15

   Operating System

   Arch Linux

   Terminal

   WezTerm
7. rekram1-node

   marked opentui: fatal: Added line count did not match for hunk at line 14 #3818 as a duplicate of this issue on Nov 3, 2025
8. rekram1-node

   marked opentui: fatal: Added line count did not match for hunk at line 23 #3839 as a duplicate of this issue on Nov 3, 2025
9. rekram1-node

   marked opentui: fatal: Added line count did not match for hunk at line 5 #3864 as a duplicate of this issue on Nov 4, 2025
10. thdxr

    added a commit that references this issue on Nov 4, 2025

    fix: handle parsePatch errors in TUI to prevent crashes

    ...

    This issue will close once commit 5184607 is merged into the 'dev' branch.

    5184607
11. thdxr

    closed this as completedin c103052on Nov 4, 2025
12. thdxr commented on Nov 4, 2025

    

    thdxr

    on Nov 4, 2025

    Member

    More actions

    Fixed by adding try-catch blocks around parsePatch calls to handle malformed diffs gracefully. Prevents TUI crashes when undoing after tool_use/tool_result errors or cancelled prompts. ✅

    👍React with 👍2Reacted by shuv and dan
13. paralin

    added a commit that references this issue on Nov 4, 2025

    fix: handle parsePatch errors in TUI to prevent crashes

    ...

    This issue will close once commit c103052 is merged into the 'paralin' branch.

    c103052
14. Rwanbt

    added a commit that references this issue on May 5, 2026

    fix: handle parsePatch errors in TUI to prevent crashes

    ...

    This issue will close once commit 9839a54 is merged into the 'main' branch.

    9839a54
15. Rwanbt

    added a commit that references this issue on Jun 14, 2026

    fix: handle parsePatch errors in TUI to prevent crashes

    ...

    This issue will close once commit 1094942 is merged into the 'main' branch.

    1094942
16. meSingh

    added a commit that references this issue on Sep 6, 2026

    fix: handle parsePatch errors in TUI to prevent crashes

    ...

    This issue will close once commit d53353d is merged into the 'dev' branch.

    d53353d