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opentui: fatal: undefined is not an object (evaluating 'lines().length') #4254

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@haexyh

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TypeError: undefined is not an object (evaluating 'lines().length')
    at <anonymous> (src/cli/cmd/tui/routes/session/index.tsx:1588:25)
    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:1610:24)
    at render (src/cli/cmd/tui/routes/session/index.tsx:1639:14)
    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:1360:24)
    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

  1. prompt
    optmize my opencode.json. I want to create good code that doesn't break. use the offical docs https://opencode.ai/docs/agents/

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Activity

  1. github-actions commented on Nov 12, 2025

    @github-actions
    Contributor

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

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

  2. rekram1-node commented on Nov 12, 2025

    @rekram1-node
    Contributor

    @haexyh what version of opencode are u using

  3. self-assigned this
    on Nov 12, 2025
  4. haexyh commented on Nov 12, 2025

    @haexyh
    Author

    1.0.61

  5. added
    opentuiThis relates to changes in v1.0, now that opencode uses opentui
    on Nov 14, 2025
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bugSomething isn't workingopentuiThis relates to changes in v1.0, now that opencode uses opentui

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