I am trying to post a question, but the title of the question is apparently not of an acceptable quality, resulting in an error.
What are the criteria for an acceptable question title?
The error messages tell you what the specific criteria are just to be able to post the question and get past the automated checks. But that is not enough. Your title should:
Here are bad titles (I have seen these in the wild):
Looking at bad titles makes it easier to write good ones. And of course, when you get an error message, read it. If your title is rejected because it contains a forbidden word or is identical to another title, the message will tell you what you need to fix.