Inyuma yaho hahagarikiwe uruhusha rwo gucukura ubutare bwa Nickel y’i Musongati, uruhusha rwari rwahawe ishirahamwe BMM International mu mwaka wa 2014, leta y’Uburundi iherutse gusinya amasezerano mashasha yo gucukura ubwo butare n’irindi shirahamwe ryitwa East African Region Project Group. Ikigabane Kw’isoko c’uno munsi, kiza kwihweza ibigize ayo masezerano mashasha.