Well, I was too fast to deliver the psnGallery2…In the sql, included in the “package”. There is a “(” too much !

In order to fix the issue. Execute the following sql (eg, from phpMyAdmin) :

UPDATE wp_psnGallery SET value = 'CPGPicture($elems[ 0 ], $elems[ 1 ], $elems[ 2 ], $elems[ 3 ], $elems[ 4 ], $elems[ 5 ], $elems[ 6 ]);' WHERE "kind" = 'TAG' AND "key" = 'picture' LIMIT 1 ;

And here is sample of the display of one specific picture via the tag <cpg_picture>759|1</cpg_picture>

Dscn0190.jpg