Solution : https://service.sap.com/sap/support/notes/563362 (SAP Service marketplace login required)
Summary : 
      This SAP Note outlines the procedure for installing Service Pack 04 for Supplier Self-Services 1.0 within SRM 2.0. Users must consider related notes in the collective note section and follow the SRM patchguide available on the SAP Service Marketplace. Critical components for implementation include SUS 1.0 SP04, BBPCRM 3.5 SP04, SAP J2EE Engine 6.20, SAP Java Connector JCO 2.0.5, and more. Supplementary systems like SAP R/3 4.6C and SAP Exchange Infrastructure XI 1.0 SP07 are also mentioned. Ensure all required and optional components are sourced as per the guide to guarantee full functionality.
Key words : 
srm sce => business scenario => additional documents => service pack guide - deployment description - srm sp04, /3 sap exchange infrastructure sap srm e-procurement, 20 support pack 6 sap enterprise portal ep 5, ordering sap software -> support packages & patches, sap business warehouse sap bw 3, sap bw sap enterprise portal, engine sap srm e-procurement, sap exchange infrastructure xi 1, 0 sp04 sap j2ee engine 6, symptom applying service pack 04
Related Notes : 
       
| 607461 | SUS-MM: Text changes for order confirmation | 
| 598130 | SRM-SUS: Ship-to address at item level | 
| 589781 | SUS/BP: Customer PricPro is cleared in GP account | 
| 589440 | SRM-SUS: Distribution channel MP does not exist | 
| 586466 | SRM-SUS: Follow-on document control with SUS-MM scenario | 
| 586458 | SRM-SUS: Mapping SUS-MM vendor master | 
| 581791 | SRM-SUS: Upgrade from SRM 2.0 Support Package 3 to SupPack 4 | 
| 581786 | SRM-SUS: Mapping SUS-MM ERS invoice not correct | 
| 581222 | SUS: Error when saving long texts (header + item) | 
| 580691 | Double entries in document flow | 
| 578938 | XML Invoice receipt: Texts not transferred correctly | 
| 578507 | SUS: Prices are not updated for change request | 
| 578145 | SUS/BP: Correction for SP04 | 
| 576530 | Page cannot be displayed | 
| 571234 | 'Page cannot be displayed' or corrupted HTTP response | 
| 567833 | SUS/BP: No address update during partner update | 
| 566548 | 3.5: Attachment error for output XI | 
| 562226 | SRM-SUS: PO rejected for SUS MM | 
| 562218 | SRM-SUS: Invalid path specifications in mapping | 
| 560416 | SUS/TP: External Identification Number missing | 
| 559048 | Support Package 04/Service Release 01 for SRM 2.0 | 
| 554959 | 3.5: 3.5:Follw-on documnt control XML for dirct material/ext | 
| 554786 | SUS/UM: User is synched to SUS with ERROR | 
| 547611 | SRM-SUS: Importing of ABAP Support Package | 
| 533347 | BAPI invoice: Long texts/attachments are not transferred | 
| 531925 | Exception CX_OS_OBJECT_NOT_RELEASABLE not caught | 
| 525344 | Problem: Service directory <--> RFC adapter |