CRM 2015 error creation new entity \ install Telephone Integration plugin

Hello

When I  try to create new entity or install Telephone Integration plugin of current CRM 2015 system I get the follow error when I try to install plugin:

 --------------------------

Error: Expected non-empty Guid.
Parameter name: roleId
Path : MSCRM-ADDONS.com CTI Call History Entry (per User)
------------------------

errorcode: 0x80040203

-----------------------

Thanks for your help

Andriy