User can't be Added to Group. It was not possible to validate the group members

[vvargiu]

Hi,

We are 2 users with Power BI Pro version and the follow emails:

user1: user1@company
user2: user2@company

user1 has created a group called CompanyGroup.
When the user1 add the user2 in the group, Power BI give the follow message error:

It was not possible to validate the group members, italian message:

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Si è verificato un errore.
Non è stato possibile convalidare i membri del gruppo

ID attività 54d5df3e-8299-477c-b054-79d026497feb
ID richiesta f07818d5-7bce-41f3-6b01-c0b37924b2a3
Codice di stato 400
Ora Mon Feb 29 2016 10:30:22 GMT+0100 (ora solare Europa occidentale)
Versione 13.0.800.508
URI clusterhttps://wabi-north-europe-redirect.analysis.windows.net
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