Glacier Pro problems

I finally had the opportunity to plow some snow this season with my 2015 Sportsman 570 and new glacier pro. Two time while I was plowing at about 5 miles an hour the plow just pops right off and I almost run it over. Does anybody else have this issue? The plow is installed correctly and the 2 latches that install into the skid plate are attached firmly. ( photo attached ) Is their anything I can do to resolve this problem? It happens when plow is set on an angle and I almost punctured the front tire when I ran it over.

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