Solution : https://service.sap.com/sap/support/notes/396690 (SAP Service marketplace login required)
Key words : 
nkey transaction - updation & deletion failure               451972, nkey transaction - updation & deletion failure 4, execution report /sapcnd/rv12n001, sap internet sales - composite               409659, 0 mobile sales / mobile service               424483, maintain additional middleware parameter               432618, cic bp search profile, ergänzungen upgrade auf ebp 3, business partner-replication changed, release upgrade crm bp 2
Related Notes : 
       
| 543841 | CRM: Support Packages Release and Information Notes | 
| 500222 | iSeries: Additions to upgrade to EBP/CRM 3.0 SR1 | 
| 494827 | Upgrade of CRM 2.0 -> 3.0 | 
| 485669 | Execution report /SAPCND/RV12N001 after upgrade to CRM 3.0 | 
| 456325 | SAP CRM 3.0: Installation, Upgrade and Support Packages | 
| 453241 | Additional info about upgrading to SAP CRM 3.0/EBP 3.0 SR 1 | 
| 452414 | Improper Merging of BDocs by BDoc Modeler | 
| 451573 | NKEY Transaction - Updation & Deletion failure. | 
| 446226 | DB2/390: Additions upgrade to EBP/CRM 3.0 SR1 | 
| 432618 | CIC BP Search Profile after Upgrade to CRM 3.0 | 
| 432506 | R3-ATP: Maintain additional middleware parameter | 
| 432296 | Upgrade to CRM 3.0: Changed transaction codes | 
| 431996 | Corrections after installation of/upgrade to CRM3.0 | 
| 431671 | Changes to CIC search profile after upgrade to 3.0 | 
| 431009 | Change of workspace definition NAVIGATION_VIEW | 
| 430962 | Enable business partn.search in CIC after upgrade to CRM 3.0 | 
| 430121 | Upgrade marketing characteristics from 2.0 to 3.0 or SP04 | 
| 427668 | Transfer of products with different condition types | 
| 427440 | Organizational data upgrade in CRM 3.0 | 
| 427021 | Deletion of customer indexes on CDB tables | 
| 424483 | Old documents are not found in the locator | 
| 421281 | |
| 420768 | XPRA/Upgrade to CRM 3.0: blocking reasons not filled | 
| 414899 | Release upgrade CRM BP 2.0 -> 3.0, 3.1 or 4.0 | 
| 411221 | Locator: Old SAP standard variants no longer exist | 
| 409997 | Upgrade to 3.0: Duplicate entries in COMM_CATEGORY | 
| 409659 | CRM 3.0 Master Guide | 
| 407453 | Additional information on upgrading to EBUYER / CRM 3.0 | 
| 407283 | DB2/390: Enhancements to upgrade on EBP/CRM 3.0 | 
| 402610 | UPGRADE 2.0C to 3.0: SAP Internet Sales - Composite Note | 
| 401849 | DB6: Enhancements to upgrade to SAP Web AS 6.10 | 
| 401721 | on upgrading to SAPWeb AS 6.10 ORACLE | 
| 401717 | Additional info on upgrading to SAP Web AS 6.10 (Basis) | 
| 401119 | Additions upgrade to BBP/CRM 3.0A SRx INFORMIX | 
| 395337 | Date rules are missing | 
| 390484 | Phonetic search method does not work in CRM 3.0 | 
| 387875 | Screen error with checkbox attribute | 
| 385753 | Error in set type conversion after upgrade | 
| 378018 | Error when converting set types and attributes | 
| 333008 | XML in R/3 Adapter | 
| 203446 | Short dump NESTED_PERFORM_ON_COMMIT when saving |