OK, my previous, simple-minded attempt to fix this issue obviously didn't address the actual problem. After some further investigations, it turned out to be a bit more complicated. I'm going to rewrite the affected method in the next couple of days.
Closing a ticket in the SF bug tracker disables the possibility to add further comments by default. Next time I'll uncheck the corresponding option.
OK, my previous, simple-minded attempt to fix this issue obviously didn't address the actual problem. After some further investigations, it turned out to be a bit more complicated. I'm going to rewrite the affected method in the next couple of days.
Closing a ticket in the SF bug tracker disables the possibility to add further comments by default. Next time I'll uncheck the corresponding option.