I would like to create new categories in my news program, but I am getting an error message that says:
Loading eTemplate from /egroupware/api/etemplate.php/news_admin/templates/default/cat.xet?1678787421 failed!
TypeError: Cannot read properties of null (reading ‘append’)
at set label [as label] (/egroupware/chunks/etemplate2-356fb371.js:23091:25)
at transformAttributes (/egroupware/chunks/etemplate2-356fb371.js:4388:23)
at Et2SelectNumber.transformAttributes (/egroupware/chunks/etemplate2-356fb371.js:3757:7)
at Et2SelectNumber.transformAttributes (/egroupware/chunks/etemplate2-356fb371.js:23163:13)
at Et2SelectNumber.transformAttributes (/egroupware/chunks/etemplate2-356fb371.js:44548:11)
at loadWebComponent (/egroupware/chunks/etemplate2-356fb371.js:4243:10)
at et2_grid.createElementFromNode (/egroupware/chunks/etemplate2-356fb371.js:5335:16)
at et2_grid._readRowNode (/egroupware/chunks/etemplate2-356fb371.js:67800:31)
at et2_filteredNodeIterator (/egroupware/chunks/etemplate2-356fb371.js:23442:17)
at et2_grid. (/egroupware/chunks/etemplate2-356fb371.js:67843:11)