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Problem report
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    Resolution: Fixed
 - 
    
Trivial
 - 
    3.0.26rc1, 4.0.6rc1, 4.2.0rc2
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    None
 
- 
        Sprint 50 (Mar 2019), Sprint 51 (Apr 2019)
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        1
 
Steps to reproduce:
Use API request to create more two maps with elements.
[
    {
        "name": "map-2",
        "width": "400",
        "height": "200",
        "selements": [
            {
                "elementtype": 0,
                "areatype": 1,
                "elements": [
                    {
                        "hostid": "106058"
                    }
                ],
                "iconid_off": "4",
                "x": 0,
                "y": 0,
                "width": 64,
                "height": 64
            }
        ]
    },
    {
        "name": "map-1",
        "width": "400",
        "height": "200",
        "selements": [
            {
                "elementtype": 0,
                "areatype": 1,
                "elements": [
                    {
                        "hostid": "106057"
                    }
                ],
                "iconid_off": "4",
                "x": 0,
                "y": 0,
                "width": 64,
                "height": 64
            }
        ]
    }
]
Result:
Maps created. Map with name "map-1" is empty, does not have element.
Expected:
Maps created with elements according API request.