Solution : https://service.sap.com/sap/support/notes/675144 (SAP Service marketplace login required)
Key words :
internal error allocating contract, contract account long text, invalid contract accountu1 &what_to_do&, contract accountu1 &what_to_do&, message 160 short text, message 161 short text, message class edereg, service type &v1&, create optional point, indicating service types
Related Notes :
| 689103 | Add maintenance view TECDE for optional service types |
| 605159 | Additns to upgrade R/3 Enterprise 47x110 SR1 w/ IS-U/CCS SR1 |
| 601690 | Additions inst. IS-U/CCS 4.71 SR1 R/3 Enterprise 47x110 |