Align Beats to Project

Ive selected my loop but when I put it into the project its not playing at the song tempo and falling short of the bar yet its ok in the loop browser with settings "Align Beats to Project-can anyone help please ?

Check the pool to make sure the correct original tempo is entered for the clip and that Straighten Up is checked. Put the track in Musical Mode.

hi many thank for responding. where do I find the straighten up setting?

It may be called Musical in some versions.