Solution : https://service.sap.com/sap/support/notes/1153322 (SAP Service marketplace login required)
Key words : 
00 sp15 1147971   data consistency check tool 1154485   ukms error leads, calling cjs function modules 1243947   duet cjs, 5 sp1 sama - phone number handling 1243208   duet 1, 5 sp1 sales management patch information note, 5 sp01o cross application notes relevant, 5 sp1 sama - email categories 1239029   duet 1, 5 sp1 sama - long text, 5 sp1 sama - save button, business suite notes relevant, short dump 1228101   duet cjs
Related Notes : 
       
| 1299659 | Duet 1.5 SP1 Sales Management Patch Information Note | 
| 1246543 | UKMS: Inconsistent mapping causes read access to terminate | 
| 1244162 | Duet SAMA - Time Zone Changes | 
| 1243947 | Bulk deletion leads to time out error | 
| 1243698 | Duet SAMA - F4 help for email management | 
| 1243386 | Duet SAMA - Phone number handling | 
| 1243208 | Duet SAMA - Incoming and Outgoing Categories | 
| 1241584 | Duet SAMA - Email Categories | 
| 1239029 | Duet SAMA - Long text in Transaction Types | 
| 1236427 | Duet SAMA - SAVE button in Activity Customization | 
| 1228101 | DUET CJS: Error logging after calling CJS Function modules | 
| 1172821 | OSP Checktool shows a short dump | 
| 1163852 | Duet SAMA - Changes in the Activity Replication | 
| 1154485 | UKMS error leads to program termination (Assertion Failed) | 
| 1149693 | Duet 1.5 SP01: Release Information Note | 
| 1147971 | Data Consistency Check Tool | 
| 1139927 | DUET CJS: Consolidation of fixes for NW 7.00 SP15 | 
| 1136082 | UKMS error leads to program termination (Assertion Failed) |