Solution : https://service.sap.com/sap/support/notes/642795 (SAP Service marketplace login required)
Key words : 
sdm incorrectly removed information, updated sdm version, newest sdm version, structure mismatch error, internal structure reason, latest sdm version, sdm version 1, latest version, internal structure, sdm recognizes
Related Notes : 
       
| 634757 | |
| 532892 | Installing a new version of the Software Delivery Manager |