Clicking on elements sometimes triggers "Unexpected error with message Cannot read properties of null (reading 'parent')"

[nestorac]

Description

Unexpected renderer process error.

Minimal Reprouducible Markdown Example (or Steps)

personajes_no_jugadores_celestiales.md

Click line "Objetos que NO porta, section Arcángel Zerachiel."

Stack Trace

TypeError: Cannot read properties of null (reading 'parent')
    at ContentState.findOutMostBlock (file:///opt/marktext/resources/app.asar/out/renderer/assets/index-BsUku_UX.js:145048:42)
    at ContentState.setNextRenderRange (file:///opt/marktext/resources/app.asar/out/renderer/assets/index-BsUku_UX.js:144684:36)
    at ContentState.render (file:///opt/marktext/resources/app.asar/out/renderer/assets/index-BsUku_UX.js:144703:10)
    at ContentState2.deleteHandler (file:///opt/marktext/resources/app.asar/out/renderer/assets/index-BsUku_UX.js:134103:14)
    at HTMLDivElement.handler2 (file:///opt/marktext/resources/app.asar/out/renderer/assets/index-BsUku_UX.js:145587:24)

Version

MarkText: v0.18.5
Operating system: Linux x64 6.14.0-37-generic (linux)

[Tkaixiang]

This seems like a intermittent persistent issue, does it happen everytime you click that line of text? I am unable to re-produce it on my side (on Windows) unfortunately.

[nestorac]

I am also not able to reproduce it, I'm sorry, not even with the exact same file.

[Tkaixiang]

No worries, I have encountered this before too but cant find a way to reproduce it reliably. I will mark this as Help Needed for now

[zhao-leo]

When I tried to reproduce #47, this error and the following similar error both appeared. What's more, the similar one is reproducible, as follows:

TypeError: Cannot read properties of null (reading 'id')
    at ContentState2.arrowHandler (file:///opt/marktext/resources/app.asar/out/renderer/assets/index-zNmShZ0J.js:146896:27)
    at HTMLDivElement.handler2 (file:///opt/marktext/resources/app.asar/out/renderer/assets/index-zNmShZ0J.js:157185:26)

Here's the guide to reproduce the bug.

1. Open the file
2. Input a space between # and Strength(this will throw an error described in Bolding multiple lines triggers an error #47)
3. Click Ok to ignore the error, and you'll find your cursor is to the right of Strength.
4. Then press Ctrl+Left

The error happens.

Here is the document text.md

My Marktext version is v0.18.6

[nestorac]

Same error with version 0.18.6:

Unexpected renderer process error
TypeError: Cannot read properties of null (reading 'type')
at file:///opt/marktext/resources/app.asar/out/renderer/assets/index-zNmShZ0J.js:151839:121
at Array.filter ()
at ContentState2.selectionChange (file:///opt/marktext/resources/app.asar/out/renderer/assets/index-zNmShZ0J.js:151839:78)
at Muya.dispatchSelectionChange (file:///opt/marktext/resources/app.asar/out/renderer/assets/index-zNmShZ0J.js:157756:48)
at file:///opt/marktext/resources/app.asar/out/renderer/assets/index-zNmShZ0J.js:157103:19

And:

Unexpected renderer process error
TypeError: Cannot read properties of null (reading 'parent')
at ContentState.findOutMostBlock (file:///opt/marktext/resources/app.asar/out/renderer/assets/index-zNmShZ0J.js:156629:42)
at ContentState.setNextRenderRange (file:///opt/marktext/resources/app.asar/out/renderer/assets/index-zNmShZ0J.js:156265:36)
at ContentState.render (file:///opt/marktext/resources/app.asar/out/renderer/assets/index-zNmShZ0J.js:156284:10)
at ContentState2.deleteHandler (file:///opt/marktext/resources/app.asar/out/renderer/assets/index-zNmShZ0J.js:145508:14)
at HTMLDivElement.handler2 (file:///opt/marktext/resources/app.asar/out/renderer/assets/index-zNmShZ0J.js:157169:24)

personajes_no_jugadores_celestiales.md

Go to: Arcángel Miguel -> Espada o lanza: and click.