create a new odt document - save and reopen -> document empty

[thomaselsaesser]

Describe the bug
go to files. create a new document test123.odt. Write any text. klick on save and close document. reopen document - document is empty.
Now write any text in the document , klick on save and close document, now reopen and all fine.
The behaviouris only by the first create and open an document .
If i create a new odt document type any text and say save as docx , then the docx document has my text but the odt document none (by the create and first save and close)
Sorry for my bad english - i'm an old man

To Reproduce
Steps to reproduce the behavior:

1. Go to see describe bug

Expected behavior
Normaly after create document and save and close and then reopen , i must see the text.

Screenshots
If applicable, add screenshots to help explain your problem.

Client details:

• OS: [ubuntu 22.04.3]
• Browser [firefox 117 ]
• Version [e.g. 22]
• Device: [desktop webbrowsernn]

Server details

Operating system: ubuntu 22.04.03

**Web server: Apache2 2.4.52

**Database: mysql 8

**PHP version: 8.1

**Nextcloud version: 27.0.2.1

Version of the richdocuments app Collabora Online - Built-in CODE Server
23.5.301

Version of Collabora Online

apache2 error log

``` AH01071: Got error 'PHP message: PHP Fatal error: Uncaught TypeError: implode(): Argument #1 ($pieces) must be of type array, string given in /var/www/html/custom_apps/richdocumentscode/proxy.php:383\nStack trace:\n#0 /var/www/html/custom_apps/richdocumentscode/proxy.php(383): implode()\n#1 {main}\n thrown in /var/www/html/custom_apps/richdocumentscode/proxy.php on line 383' ```

Nextcloud log (data/nextcloud.log)

I cant see any error in nextcloud log

Browser log if i click the save button

document] Received post message  
Object { msgId: "UI_Save", args: {…}, deprecated: false }
[document.js:375:13](webpack:///richdocuments/src/document.js)
PostMessageService.sendPostMessage parent {"MessageId":"UI_Save","SendTime":1693907217705,"Values":{"source":"notebookbar"}} [postMessage.tsx:42:16](webpack:///richdocuments/src/services/postMessage.tsx)
[document] **Unhandled post message** 
Object { msgId: "UI_Save", args: {…}, deprecated: false }
[document.js:503:14](webpack:///richdocuments/src/document.js)
[viewer] Received post message 
Object { msgId: "UI_Save", args: {…}, deprecated: false }

[FloMiLe]

I have this problem, too.

[juliusknorr]

Looks like an upstream issue of the richdocumentscode app CollaboraOnline/richdocumentscode#223

Maybe you can add your details from this ticket to that one.