I found this bug where table string values get replaced with value 0. I found the solution from SergioB in this question:
This solution fixed my problem, but the bug is still there after about a year of the question creation. You can’t tell normal users to change content.xml. They also won’t search for the problem in the internet. I hope that the team fixes this issue. Thanks!
Version: 7.0.4.2
OS: Linux 5.10