Error on NAV 2015 --> NAV 2017 Data Upgrade Step

Hello, i have a customer who is upgrading its system from 2009 to 2017. First i did 2009 --> 2015 then 2015 --> 2017. But on 20015 --> 2017 stage, i am gettin following errors on Data Upgrade Process.

SessionId : 363
CodeunitId : 104050
FunctionName : UpdateItem
CompanyName : ****
StartTime : 16.05.2017 16:02:14
Duration :
State : FailedPendingResume
Error : The UPG Item does not exist. Identification fields and values: No.='1111000000'

SessionId : 385
CodeunitId : 104050
FunctionName : UpdateItem
CompanyName : ****
StartTime : 16.05.2017 16:02:14
Duration :
State : FailedPendingResume
Error : The UPG Item does not exist. Identification fields and values: No.='1111000000'

SessionId : 408
CodeunitId : 104050
FunctionName : UpdateItem
CompanyName : ****
StartTime : 16.05.2017 16:02:14
Duration :
State : FailedPendingResume
Error : The UPG Item does not exist. Identification fields and values: No.='1111000000'

SessionId : 415
CodeunitId : 104050
FunctionName : UpdateApprovalsManagement
CompanyName : ****
StartTime : 16.05.2017 16:02:14
Duration :
State : FailedPendingResume
Error : You do not have the following permissions on TableData Posted Approval Comment Line: Modify

SessionId : 431
CodeunitId : 104050
FunctionName : UpdateItem
CompanyName : ****
StartTime : 16.05.2017 16:02:14
Duration :
State : FailedPendingResume
Error : The UPG Item does not exist. Identification fields and values: No.='1111000000'

I checked all 4 companies for that item, and it exists. What can i do in order to solve that problem ?

i am following the link --> https://msdn.microsoft.com/en-us/dynamics-nav/upgrading-the-data