Unhandled error during execution of render function

[dejudicibus]

Vue version

3.4.21

Link to minimal reproduction

?

Steps to reproduce

The app abends when specific component PanelQuestions.vue has to be displayed. The console says to report a bug. I did.

What is expected?

That the app is rendered. I tried StackBlitz but nothing is shown. No app but also no error message. I have no ide how to reproduce the problem.

What is actually happening?

I get the erro in the screenshot. No idea why and where it occurs.

System Info

System:
    OS: Windows 10 10.0.19045
    CPU: (24) x64 12th Gen Intel(R) Core(TM) i9-12900K
    Memory: 95.88 GB / 127.79 GB
  Binaries:
    Node: 18.14.1 - C:\Program Files\nodejs\node.EXE  
    npm: 9.3.1 - C:\Program Files\nodejs\npm.CMD      
  Browsers:
    Edge: Chromium (122.0.2365.92)
    Internet Explorer: 11.0.19041.3636
  npmPackages:
    vue: ^3.2.13 => 3.4.21

    @fortawesome/vue-fontawesome: ^3.0.6 => 3.0.6
    @vue/babel-helper-vue-jsx-merge-props:  1.4.0
    @vue/babel-helper-vue-transform-on:  1.2.1
    @vue/babel-plugin-jsx:  1.2.1
    @vue/babel-plugin-resolve-type:  1.2.1
    @vue/babel-plugin-transform-vue-jsx:  1.4.0
    @vue/babel-preset-app:  5.0.8
    @vue/babel-preset-jsx:  1.4.0
    @vue/babel-sugar-composition-api-inject-h:  1.4.0
    @vue/babel-sugar-composition-api-render-instance:  1.4.0
    @vue/babel-sugar-functional-vue:  1.4.0
    @vue/babel-sugar-inject-h:  1.4.0
    @vue/babel-sugar-v-model:  1.4.0
    @vue/babel-sugar-v-on:  1.4.0
    @vue/cli-overlay:  5.0.8
    @vue/cli-plugin-babel: ~5.0.0 => 5.0.8
    @vue/cli-plugin-eslint: ~5.0.0 => 5.0.8
    @vue/cli-plugin-router:  5.0.8
    @vue/cli-plugin-vuex:  5.0.8
    @vue/cli-service: ~5.0.0 => 5.0.8
    @vue/cli-shared-utils:  5.0.8
    @vue/compiler-core:  3.4.21
    @vue/compiler-dom:  3.4.21
    @vue/compiler-sfc:  3.4.21
    @vue/compiler-ssr:  3.4.21
    @vue/component-compiler-utils:  3.3.0
    @vue/reactivity:  3.4.21
    @vue/runtime-core:  3.4.21
    @vue/runtime-dom:  3.4.21
    @vue/server-renderer:  3.4.21
    @vue/shared:  3.4.21
    @vue/web-component-wrapper:  1.3.0
    eslint-plugin-vue: ^8.0.3 => 8.7.1
    primevue: ^3.50.0 => 3.50.0
    vue: ^3.2.13 => 3.4.21
    vue-eslint-parser:  8.3.0
    vue-hot-reload-api:  2.3.4
    vue-loader:  17.4.2 (15.11.1)
    vue-style-loader:  4.1.3
    vue-template-es2015-compiler:  1.9.1
  npmGlobalPackages:
    @vue/cli: Not Found

Any additional comments?

No response

[LinusBorg]

We can't help with this issue if we can't reproduce it. If you can't provide a reproduction, we will have to close this issue.

What you should investigate is the actual error following these warnings:

cannot read properties of undefined (reading '0')

This sounds like you try to render a list with an array, but there is no array yet in your data. We can't tell because you did not even share the component that's throwing the error.

[LinusBorg]

Closing for inactivity