The device can't be displayed in maps-category-map

The device can't be displayed in maps-category-map

Hi:

    I meet a problem in Maps-Category, I have added 14 printers in printers category, but when I click maps-category-printer, in map page, I can only see 9 device in that page, however, when I switch to list page, all 14 device can be see, I have upload the 2 pages as attached files, the OpManager version is 8271, many thanks!

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