Simple rich text editor doesnt commit

I have 3 tabs with 3 simple rich text editors each. Tab 1 and 3 commit when I click on save. But tab 2 doesn't commit. I have checked it in the database, but the variable is not changed. Does anybody know what the problem is?
1 answers

Not using the latests 1.3.3. version?

Release notes: Fixed 8845: Data was not saved correctly when using multiple editors on multiple tabs