Motion Titles and Text not rendering Properly

Final Cut Pro 10.3.4 not working properly When I add a Title to the Story/Timeline, The Text is added but after a couple of seconds it disappears, and If I render it disappears and if I export as a Master File the final video Does not shows the Text or Title added I made a test in my Laptop and there is working properly but in my iMac is not working as it should any Suggestion or help would be highly appreciated.

My system is an iMac (21.5-inch, Late 2013).