opentui: fatal: answer.join is not a function. (In 'answer.join(", ")', 'answer.join' is undefined) #4610

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opened 2026-02-16 17:44:47 -05:00 by yindo · 1 comment
Owner

Originally created by @khensunny on GitHub (Jan 10, 2026).

Originally assigned to: @rekram1-node on GitHub.

Description

TypeError: answer.join is not a function. (In 'answer.join(", ")', 'answer.join' is undefined)
    at format4 (src/cli/cmd/tui/routes/session/index.tsx:2633:19)
    at <anonymous> (../../node_modules/.bun/@opentui+solid@0.1.70+897ebc1644d3edd0/node_modules/@opentui/solid/index.js:148:62)
    at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3)
    at createRenderEffect (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:240:75)
    at insert (../../node_modules/.bun/@opentui+solid@0.1.70+897ebc1644d3edd0/node_modules/@opentui/solid/index.js:148:5)
    at <anonymous> (src/cli/cmd/tui/routes/session/index.tsx:2662:19)
    at createRoot (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:203:12)
    at <anonymous> (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:1173:23)
    at untrack (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:475:12)
    at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3)
    at createMemo (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:273:10)
    at untrack (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:475:12)
    at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3)
    at devComponent (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:593:3)
    at children (src/cli/cmd/tui/routes/session/index.tsx:2649:32)
    at <anonymous> (src/cli/cmd/tui/routes/session/index.tsx:1889:28)
    at <anonymous> (../../node_modules/.bun/@opentui+solid@0.1.70+897ebc1644d3edd0/node_modules/@opentui/solid/index.js:148:62)
    at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3)
    at createRenderEffect (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:240:75)
    at insert (../../node_modules/.bun/@opentui+solid@0.1.70+897ebc1644d3edd0/node_modules/@opentui/solid/index.js:148:5)
    at <anonymous> (src/cli/cmd/tui/routes/session/index.tsx:1889:5)
    at untrack (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:475:12)
    at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3)
    at devComponent (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:593:3)
    at <anonymous> (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:1568:19)
    at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3)
    at createMemo (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:273:10)
    at untrack (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:475:12)
    at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3)
    at devComponent (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:593:3)
    at untrack (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:475:12)
    at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3)
    at devComponent (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:593:3)
    at <anonymous> (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:1568:19)
    at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3)
    at createMemo (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:273:10)
    at untrack (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:475:12)
    at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3)
    at devComponent (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:593:3)
    at <anonymous> (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:1531:21)
    at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3)
    at createMemo (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:273:10)
    at untrack (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:475:12)
    at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/d...

Plugins

No response

OpenCode version

1.1.8

Steps to reproduce

Try to reopen a session where I used AskQuestion tool

Screenshot and/or share link

No response

Operating System

macos 26.2

Terminal

ghosty

Originally created by @khensunny on GitHub (Jan 10, 2026). Originally assigned to: @rekram1-node on GitHub. ### Description ``` TypeError: answer.join is not a function. (In 'answer.join(", ")', 'answer.join' is undefined) at format4 (src/cli/cmd/tui/routes/session/index.tsx:2633:19) at <anonymous> (../../node_modules/.bun/@opentui+solid@0.1.70+897ebc1644d3edd0/node_modules/@opentui/solid/index.js:148:62) at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3) at createRenderEffect (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:240:75) at insert (../../node_modules/.bun/@opentui+solid@0.1.70+897ebc1644d3edd0/node_modules/@opentui/solid/index.js:148:5) at <anonymous> (src/cli/cmd/tui/routes/session/index.tsx:2662:19) at createRoot (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:203:12) at <anonymous> (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:1173:23) at untrack (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:475:12) at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3) at createMemo (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:273:10) at untrack (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:475:12) at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3) at devComponent (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:593:3) at children (src/cli/cmd/tui/routes/session/index.tsx:2649:32) at <anonymous> (src/cli/cmd/tui/routes/session/index.tsx:1889:28) at <anonymous> (../../node_modules/.bun/@opentui+solid@0.1.70+897ebc1644d3edd0/node_modules/@opentui/solid/index.js:148:62) at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3) at createRenderEffect (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:240:75) at insert (../../node_modules/.bun/@opentui+solid@0.1.70+897ebc1644d3edd0/node_modules/@opentui/solid/index.js:148:5) at <anonymous> (src/cli/cmd/tui/routes/session/index.tsx:1889:5) at untrack (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:475:12) at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3) at devComponent (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:593:3) at <anonymous> (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:1568:19) at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3) at createMemo (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:273:10) at untrack (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:475:12) at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3) at devComponent (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:593:3) at untrack (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:475:12) at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3) at devComponent (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:593:3) at <anonymous> (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:1568:19) at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3) at createMemo (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:273:10) at untrack (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:475:12) at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3) at devComponent (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:593:3) at <anonymous> (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:1531:21) at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:724:3) at createMemo (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:273:10) at untrack (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:475:12) at runComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.10/node_modules/solid-js/d... ``` ### Plugins _No response_ ### OpenCode version 1.1.8 ### Steps to reproduce Try to reopen a session where I used AskQuestion tool ### Screenshot and/or share link _No response_ ### Operating System macos 26.2 ### Terminal ghosty
yindo added the opentuibug labels 2026-02-16 17:44:47 -05:00
yindo closed this issue 2026-02-16 17:44:47 -05:00
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Owner

@github-actions[bot] commented on GitHub (Jan 10, 2026):

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

  • #7412: opentui: fatal: answer.join is not a function (CLOSED - same error, same scenario)
  • #7454: opentui: fatal: answer.join is not a function (exact same error)
  • #7438: opentui: fatal: answer.join is not a function (exact same error)
  • #7433: opentui: fatal: answer.join is not a function (exact same error)
  • #7392: opentui: fatal: answer.join is not a function (exact same error)

All of these issues report the same error occurring when reopening a session. The root cause appears to be in the format4 function in src/cli/cmd/tui/routes/session/index.tsx:2633.

Feel free to ignore if your case has specific differences.

@github-actions[bot] commented on GitHub (Jan 10, 2026): This issue might be a duplicate of existing issues. Please check: - #7412: opentui: fatal: answer.join is not a function (CLOSED - same error, same scenario) - #7454: opentui: fatal: answer.join is not a function (exact same error) - #7438: opentui: fatal: answer.join is not a function (exact same error) - #7433: opentui: fatal: answer.join is not a function (exact same error) - #7392: opentui: fatal: answer.join is not a function (exact same error) All of these issues report the same error occurring when reopening a session. The root cause appears to be in the format4 function in src/cli/cmd/tui/routes/session/index.tsx:2633. Feel free to ignore if your case has specific differences.
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Reference: anomalyco/opencode#4610