LMS + AICC ~~~null~~~

Hello together, as often discussed a lot of people have a problem with special characters generated by Lectora. I'm one of them. Here are my two main problems:When I try to finish courses in my LMS (moodle), the identifier doesn't allows a tilde. I tried to change the regular expressions, but I have to do this all the time I update the LMS - that can be very annoying. And I'm not realy sure if I do it in the right way. It seems to work, but you now ...The second problem is: '~~~null~~~' is used as a gap or not answered questions in default. To ensure the html codecs and also the database restrictions the LMS encodes tildes as #7E.When you think on the cmi.suspend_data that is used by the LMS to save all variables + values it becomes a huge string. Problem here - the cmi.suspend_data is limited to a length of 4000 characters. Is there any configuration where I can change the usage of variable names and also of default values like ~~~null~~~ ?It would be great if someone can clarify this topic.Thanks!