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opentui: fatal: undefined is not an object (evaluating 'lines().length') #2769

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opened 2026-02-16 17:37:10 -05:00 by yindo · 12 comments
yindo commented 2026-02-16 17:37:10 -05:00
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Originally created by @gmdias727 on GitHub (Nov 10, 2025).

Description

TypeError: undefined is not an object (evaluating 'lines().length')
    at <anonymous> (src/cli/cmd/tui/routes/session/index.tsx:1587:25)
    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:1608:24)
    at render (src/cli/cmd/tui/routes/session/index.tsx:1637:14)
    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:1359:24)
    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:122:15)
    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)...

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Originally created by @gmdias727 on GitHub (Nov 10, 2025). ### Description ``` TypeError: undefined is not an object (evaluating 'lines().length') at <anonymous> (src/cli/cmd/tui/routes/session/index.tsx:1587:25) 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:1608:24) at render (src/cli/cmd/tui/routes/session/index.tsx:1637:14) 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:1359:24) 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:122:15) 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 _No response_ ### Steps to reproduce _No response_ ### Screenshot and/or share link _No response_ ### Operating System _No response_ ### Terminal _No response_
yindo added the opentuibug labels 2026-02-16 17:37:10 -05:00
yindo closed this issue 2026-02-16 17:37:10 -05:00
yindo commented 2026-02-16 17:37:10 -05:00
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@github-actions[bot] commented on GitHub (Nov 10, 2025):

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

  • #4177: Identical error message and stack trace - same TypeError evaluating 'lines().length' in session/index.tsx
  • #3934: Very similar error - same TypeError evaluating 'lines().length' in session/index.tsx at a nearby line number

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

@github-actions[bot] commented on GitHub (Nov 10, 2025): This issue might be a duplicate of existing issues. Please check: - #4177: Identical error message and stack trace - same TypeError evaluating 'lines().length' in session/index.tsx - #3934: Very similar error - same TypeError evaluating 'lines().length' in session/index.tsx at a nearby line number Feel free to ignore if none of these address your specific case.
yindo commented 2026-02-16 17:37:10 -05:00
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@rekram1-node commented on GitHub (Nov 10, 2025):

@gmdias727 are u on latest?

@rekram1-node commented on GitHub (Nov 10, 2025): @gmdias727 are u on latest?
yindo commented 2026-02-16 17:37:10 -05:00
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@gmdias727 commented on GitHub (Nov 10, 2025):

@rekram1-node don't know sir, I just curld the opencode to my mac machine.

@gmdias727 commented on GitHub (Nov 10, 2025): @rekram1-node don't know sir, I just curld the opencode to my mac machine.
yindo commented 2026-02-16 17:37:10 -05:00
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@gmdias727 commented on GitHub (Nov 10, 2025):

from official website

@gmdias727 commented on GitHub (Nov 10, 2025): from official website
yindo commented 2026-02-16 17:37:10 -05:00
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@gmdias727 commented on GitHub (Nov 10, 2025):

After reopening, no more crashes.

@gmdias727 commented on GitHub (Nov 10, 2025): After reopening, no more crashes.
yindo commented 2026-02-16 17:37:10 -05:00
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@gmdias727 commented on GitHub (Nov 10, 2025):

no more crashes so far.

@gmdias727 commented on GitHub (Nov 10, 2025): no more crashes so far.
yindo commented 2026-02-16 17:37:10 -05:00
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@rekram1-node commented on GitHub (Nov 10, 2025):

what version r u on?

@rekram1-node commented on GitHub (Nov 10, 2025): what version r u on?
yindo commented 2026-02-16 17:37:10 -05:00
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@gmdias727 commented on GitHub (Nov 10, 2025):

git:(gabrielm) ✗ opencode --version
1.0.55

@gmdias727 commented on GitHub (Nov 10, 2025): git:(gabrielm) ✗ opencode --version 1.0.55
yindo commented 2026-02-16 17:37:10 -05:00
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@gmdias727 commented on GitHub (Nov 10, 2025):

Just after I said I wasn't dealing with crashes anymore I got the same screen two more times.

@gmdias727 commented on GitHub (Nov 10, 2025): Just after I said I wasn't dealing with crashes anymore I got the same screen two more times.
yindo commented 2026-02-16 17:37:10 -05:00
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@gmdias727 commented on GitHub (Nov 10, 2025):

If it matters:

git:(gabrielm) ✗ node -v
v25.1.0

@gmdias727 commented on GitHub (Nov 10, 2025): If it matters: git:(gabrielm) ✗ node -v v25.1.0
yindo commented 2026-02-16 17:37:11 -05:00
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@gmdias727 commented on GitHub (Nov 10, 2025):

Image
@gmdias727 commented on GitHub (Nov 10, 2025): <img width="1936" height="1268" alt="Image" src="https://github.com/user-attachments/assets/ff5e9483-9b90-4db2-b23d-c9bf64ef3477" />
yindo commented 2026-02-16 17:37:11 -05:00
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@rekram1-node commented on GitHub (Nov 10, 2025):

hm okay thanks we will fix this

@rekram1-node commented on GitHub (Nov 10, 2025): hm okay thanks we will fix this
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Reference: anomalyco/opencode#2769
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