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opentui: fatal: undefined is not an object (evaluating 'lines().length') #2603

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opened 2026-02-16 17:36:23 -05:00 by yindo · 3 comments
yindo commented 2026-02-16 17:36:23 -05:00
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Originally created by @adolago on GitHub (Nov 5, 2025).

Originally assigned to: @thdxr on GitHub.

Description

TypeError: undefined is not an object (evaluating 'lines().length')
    at <anonymous> (src/cli/cmd/tui/routes/session/index.tsx:1547:25)
    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> (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1508:36)
    at <anonymous> (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1144:20)
    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:1568:24)
    at render (src/cli/cmd/tui/routes/session/index.tsx:1597:14)
    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:1319:24)
    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 runTop (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:833:7)
    at runQueue (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:904:42)
    at completeUpdates (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:860:84)
    at runUpdates (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:850:5)
    at setStore (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/store/dist/dev.js:221:5)
    at <anonymous> (src/cli/cmd/tui/context/sync.tsx:117:15)
    at emit (../../node_modules/.bun/@solid-primitives+event-bus@1.1.2+820208fac86deffb/node_modules/@solid-primitives/event-bus/dist/eventBus.js:6:13)
    at emit (../../node_modules/.bun/@solid-primitives+event-bus@1.1.2+820208fac86deffb/node_modules/@solid-primitives/event-bus/dist/emitter.js:92:20)
    at <anonymous> (src/cli/cmd/tui/context/sdk.tsx:25:17)
    at processTicksAndRejections (native:7:39)...

OpenCode version

1.0.25

Steps to reproduce

No response

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Operating System

Arch on 6.17.1

Terminal

Kitty

Originally created by @adolago on GitHub (Nov 5, 2025). Originally assigned to: @thdxr on GitHub. ### Description ``` TypeError: undefined is not an object (evaluating 'lines().length') at <anonymous> (src/cli/cmd/tui/routes/session/index.tsx:1547:25) 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> (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1508:36) at <anonymous> (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1144:20) 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:1568:24) at render (src/cli/cmd/tui/routes/session/index.tsx:1597:14) 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:1319:24) 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 runTop (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:833:7) at runQueue (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:904:42) at completeUpdates (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:860:84) at runUpdates (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:850:5) at setStore (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/store/dist/dev.js:221:5) at <anonymous> (src/cli/cmd/tui/context/sync.tsx:117:15) at emit (../../node_modules/.bun/@solid-primitives+event-bus@1.1.2+820208fac86deffb/node_modules/@solid-primitives/event-bus/dist/eventBus.js:6:13) at emit (../../node_modules/.bun/@solid-primitives+event-bus@1.1.2+820208fac86deffb/node_modules/@solid-primitives/event-bus/dist/emitter.js:92:20) at <anonymous> (src/cli/cmd/tui/context/sdk.tsx:25:17) at processTicksAndRejections (native:7:39)... ``` ### OpenCode version 1.0.25 ### Steps to reproduce _No response_ ### Screenshot and/or share link <img width="994" height="1181" alt="Image" src="https://github.com/user-attachments/assets/b295f482-8787-4b89-8b6e-949207ed48d0" /> <img width="994" height="1181" alt="Image" src="https://github.com/user-attachments/assets/ba79bf7f-f093-4798-986e-86dc583796c8" /> ### Operating System Arch on 6.17.1 ### Terminal Kitty
yindo added the opentuibug labels 2026-02-16 17:36:23 -05:00
yindo closed this issue 2026-02-16 17:36:23 -05:00
yindo commented 2026-02-16 17:36:24 -05:00
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@github-actions[bot] commented on GitHub (Nov 5, 2025):

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

  • #3794: Identical error message and stack trace - same 'undefined is not an object (evaluating 'lines().length')' error in src/cli/cmd/tui/routes/session/index.tsx

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

@github-actions[bot] commented on GitHub (Nov 5, 2025): This issue might be a duplicate of existing issues. Please check: - #3794: Identical error message and stack trace - same 'undefined is not an object (evaluating 'lines().length')' error in src/cli/cmd/tui/routes/session/index.tsx Feel free to ignore if none of these address your specific case.
yindo commented 2026-02-16 17:36:24 -05:00
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@rekram1-node commented on GitHub (Nov 5, 2025):

I thought dax fixed this but ig not

@rekram1-node commented on GitHub (Nov 5, 2025): I thought dax fixed this but ig not
yindo commented 2026-02-16 17:36:24 -05:00
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@thdxr commented on GitHub (Nov 11, 2025):

fixed

@thdxr commented on GitHub (Nov 11, 2025): fixed
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Reference: anomalyco/opencode#2603
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