Genesis Collada exports and import same in Marvelous designer and loading saved poses Problem in MD

Guptatsg

DAZ Collada export to Marvelous designer 2 and pose loading problem

-Exported Genesis / Genesis 2 avatars default pose and posed avatars exported as generic collada format.
-opened DAZ exported avatars in Marveolus designer 2 and saved them as Poses in MD.
-closed and re-started program
-Opened Genesis (2) default pose avatar and applied saved pose, pose effect not working.
(I could change the posed in OBJ format - Load as target).

current DAZ version is 4.6.3.50 and MD Ver 4.40.

-Same procedure followed in older version of DAZ 4.0 (earlier version of DAZ 4.5) and MD2 3.83 and also MD2 4.40 with out any problem, I could change the pose of avatar in MD2.

any solutions for this ????.

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How to update from current DAZ version to New Daz version 4.6.3.52

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thanks