Access Is Denied: How to Identify and Fix a Security Role Issue in CRM 2015 Online

Today got following issue

Log error :

SecLib::AccessCheckEx failed. Returned hr = -2147187962, ObjectID: c27b7472-2210-e511-80fd-c4346bada1fc, OwnerId: 84055570-cf5d-e411-87c7-2c59e5420674,  OwnerIdType: 8 and CallingUser: 3466ec11-9283-e411-9cca-d89d6763df40.

ObjectTypeCode: 1, objectBusinessUnitId: 8765d948-802f-e411-b567-2c59e5420674, AccessRights: AppendToAccess

Resolution:
Give the Bussiness Unit access level at Account entity.
Resources:
http://www.powerobjects.com/2015/02/13/access-denied-identify-fix-security-role-issue/
http://www.consultcrm.co.uk/blog/2011/07/security-roles-microsoft-crm-2011