can't insert e-mail template into an e-mail

Hello 

keep getting error when trying to select e-mail template from the list . 

<ErrorCode>-2147187962</ErrorCode>
<ErrorDetails xmlns:d2p1="schemas.datacontract.org/.../System.Collections.Generic" />
<Message>SecLib::AccessCheckEx failed. Returned hr = -2147187962, ObjectID: b4da125f-6588-e511-80e2-3863bb368b18, OwnerId: db346a03-4d60-e511-80e0-3863bb2ed130, OwnerIdType: 8 and CallingUser: db346a03-4d60-e511-80e0-3863bb2ed130. ObjectTypeCode: 2500, objectBusinessUnitId: 0843a585-125d-e511-80dc-3863bb368b18, AccessRights: WriteAccess </Message>

I can't find which permission is missing . 

Thanks