409 conflict dimension ou present

i've configured dhis2 2.19 on ubuntu 14.04 LTS and it's working nicely except data analyses using manually selected sub-units from organisation unit tree. similar to that drawing boundary in GIS module is returning with 'coordinate couldn't be loaded' whereas maps are being produced via selecting levels/ groups perfectly.
is there any remedial actions i can apply to solve that particular problem? your help/ feedback is much appreciated...

-- Ripan


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