E-Mail history is missing in reply or forwarding

Infos:

• Used Zammad version: 6.2.0-1701867011.fdb4b0b7.jammy
• Used Zammad installation type: (source, package, docker-compose, …) package
• Operating system: Ubuntu Server 22.0.4
• Browser + version: Microsoft Edge 120.0.2210.133

Expected behavior:

• By replying or forwarding a ticket the whole email history is visible in the mail.

Actual behavior:

• By replying or forwarding a ticket, some of the email history is missing in the mail.
  Mail with the text:
  
  
  text and images are missing:
  

Steps to reproduce the behavior:

• Unfortunately I still haven’t found how to reproduce it because it only happens on some tickets.
• The email history can sometimes be seen again when I undo the changes and create the reply or forward again