Application crashing on merging table cells #1506
Description
Describe the bug
When you merge 2 vertical table cells and then try to edit or join the lines of both cells the application crashes
To Reproduce
- Go to: https://www.blocknotejs.org/docs/advanced/tables
- Write something under the cell "Soo many features"
- Select the cells and merge them (this already causes many errors in the console)
_app-430d265da8142a92.js:10 Uncaught TypeError: Cannot read properties of undefined (reading 'every')
- Try to delete from the part of the bottom cell, trying to "join" the texts
- After some trying and writing, the application will crash
Misc
Happens on blocknote demo page