Failed to creat node TypeError: Cannot read property 'querySelectorAll' of null

[kinitkit]

Failed to creat node TypeError: Cannot read property 'querySelectorAll' of null

Array.from(temp[2].children).forEach((el) => { //console.log(el.querySelector('tr')); Array.prototype.push.apply(descendants, Array.from(el.querySelector('tr').querySelectorAll('.node')).filter((el) => { console.log(el); return that._isVisible(el); })); });

This occurs every time I press the down button to load the children from the database. the data gets back fine but it suddenly breaks or shows nothing after pressing it.

[logicplayer1]

Please share your code how you loading children from database to look into the issue...