Kirby Ultimate G bag won't lock into place

It look likes the "mini emtor" is worn and not locking into place, but I don't want to buy the $40 dollar part and it not be the problem. Anyone else have this issue?
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.