Solution : https://service.sap.com/sap/support/notes/1226901 (SAP Service marketplace login required)
Key words : 
health & safety-> occupational health-> basic data-> health surveillance protocols->, medical practice calendar note 1034484 - executing upgrade report, terms occupational healthfrequently asked questions, critical diagnoses note 966034 - upgrade report, occupational health basic data, customer-specific examination types, 0ecc 600upgradeehsambtaetehsva02protocol categorydescription reason, correct inconsistent data records, activate sap ecc extensions, system issues message ehs_oh 388
Related Notes : 
       
| 1156880 | Missing screen elements in Occupational Health | 
| 1054874 | |
| 966034 | Upgrade report for the medical practice calendar | 
| 943257 | Converting diagnoses to critical diagnoses | 
| 943130 | Converting OH data for the health surveillance protocol | 
| 858271 | Upgrading to EH&S in ERP 2005/ERP 6.0 | 
| 816806 | SAP ECC 5.0 Enterprise Extensions: Activation switch | 
| 636841 | Conversion of OH basic data due to new table fields |