You can only assign a style to a text title once in a project. Any subsequent attempts to assign a style to a text title DONOT work.
Yes. This is a reported Bug in PrE 12. I do not recall any previous version having this issue with Styles.
It seems that in PrE 12, one can only alter the Style (apply the Style) once. Any attempt afterward, will hang the program.
See this thread, and Peru Bob's link in Reply #1: http://forums.adobe.com/thread/1337017?tstart=0
Hope that Adobe can offer a patch for PrE 12, that fixes this Styles Bug.
Make your own bug report https://www.adobe.com/cfusion/mmform/index.cfm?name=wishform to "add weight" to any existing reports
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