Solution : https://service.sap.com/sap/support/notes/733756 (SAP Service marketplace login required)
Key words : 
document displays tte error messages, means initial item numbers, line item numbers, line item number, support package 06 anymore, tte document, item number, tte-document, support package 06, reference document
Related Notes : 
       
| 697610 | |
| 686818 | |
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