What version of Premiere Elements and on what computer operating system is it running?
It is most likely that you are trying to apply the text animations to more than one line of text.
You can apply text animation to more than one line of text in the project's Titler but it takes special considerations.
Please review the how to details in the following.
Please review and consider. Any questions or need clarification on the how to, please do not hesitate to ask.
We will be watching for your reply and will get your text animation in the project's Titler working for you.