### Steps to reproduce

1. Create a new recurring meeting, fill the creation modal with a name and click "Create meeting series"

2. From template editing screen, do not add anything and click "Open first meeting"

3. From the recurring meeting Begin of the insertionindexEnd of the insertion page, click on the Begin of the insertionfirstEnd of the insertion Begin of the deletion date and time of theEnd of the deletion open meeting to start editing it

4. From the meeting page, in the backlog section, click "+ Add" > "Agenda item", give it a name and save Begin of the insertionOR cancelEnd of the insertion

5. Click the Begin of the deletion agenda item three dots menu and select "Move to current meeting"

6. Click theEnd of the deletion green "+ Add" and selection "Section"


Begin of the insertion**Note:** A similar thing also happens when trying to add a new agenda item/WP agenda item.

End of the insertion ### What is the buggy behavior?

* The meeting item disappears

* It looks like the view is switched to the meeting template edition

* If reloading the page, the item is back, but the created section is not there (actually it has been added to the template)

* After the page is reloaded, adding sections works as expected.


### What is the expected behavior?

1. Clickind "+ Add" > "Section should add a second section, and the first item should be placed in a section with title "Untitled section", above the section being created


### Screenshots and other files

A screen recording showing the issue has been added to the files

### Environment information

**OpenProject installation type**

* Dev env


**OpenProject version**

Future 16.1.0

**Browser**

* [x] Chrome
* [ ] Firefox
* [ ] Safari
* [ ] Mobile Safari
* [ ] Other (please specify)

**Operating System**

* [ ] Windows
* [x] Mac OS X
* [ ] Mobile iOS
* [ ] Mobile Android
* [ ] Linux (please specify distro)
* [ ] Chrome OS
* [ ] Other (please specify)

**Language**

English