reading problem

[Etruria89]

hello to all I would have a reading problem of various mechanical pieces drawn on catia v5r19 are not opened on catia v5r17 of my colleague.... someone can explain how to be able to stem this problem.? ? ? ?
Thank you.

 

[Mocca]

http://www.cad3d.it/forum1/showthread.php?t=22467...and not so many days ago... converge in step.