Welcome to the Forum Vijaya :)
Increase the number of Frames via the Clock Symbol & then Pop-up Frame increase Up Arrow (See Screenshot) to 18000 Frames & then Drag the Playbar right-hand Slider to the end first & then go-back to TTS.
ADDED - Maybe you've already done that?
Screenshot:
----------------------------------------------------------------------------------------- REALLUSION FORUM ANNUAL PINHEAD COMMUNITY PROJECTS.
New Pinhead Website & Project to be announced in September 2015
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