Solution : https://service.sap.com/sap/support/notes/1334252 (SAP Service marketplace login required)
Key words : 
st 400 support package 20date       note      incl  auto cat description, st 400 support package 21date       note      incl  auto cat description, support package leveldate     note  incl  cat description, goto -> sap note browser -> execute, 0 enhancement package 1 support package 20, correct version remain untouched, random product version displayed, persisting relevant main instances          1403835, support package level, software component st 400
Related Notes : 
       
| 1542831 | BP_GEN does not add a system user to role employee | 
| 1540720 | ICM parameters are not transferred by RZ70 | 
| 1516933 | Generation error in screen SAPLENH_BADI_EDT_DEF 2200 | 
| 1500430 | Window WD_SYSTEMTYPE_F4 not found in SOLMAN_SETUP | 
| 1498113 | Generation error in screen SAPLENH_BADI_EDT_DEF 2200 | 
| 1489834 | SMSY: MessageServer host is not created | 
| 1476647 | Generate attribute Flag missing on start screen | 
| 1468797 | Work Center: No items in the Issues/Top Issues/Tasks list | 
| 1458651 | WDA: Messages in main window and in dialog box | 
| 1440614 | SMSY: Incorrect HTTP(S) port number after "Landscape fetch" | 
| 1438476 | Partner inheritance for partner determination failing | 
| 1435171 | Different formatting of recommendation texts | 
| 1435043 | E2E Workload Analysis - No applicable data found | 
| 1433891 | SMSY: Correction to function SMSYAD_GET_DATA_FROM_LIS | 
| 1433838 | Landscape fetch: Java systems not updated | 
| 1431548 | LANDSCAPE FETCH: Unnecessary data records created | 
| 1431364 | Authorization check when adding documents | 
| 1429900 | Processing execution times L and C after open session | 
| 1427678 | WD property 'textDocumentName' not available in Customer Sys | 
| 1427509 | Importing questionnaires | 
| 1422602 | Input help for Service Session Workbench | 
| 1418886 | DSVAS_PROC_TABLE_GET_FROM_SESS returns no FIELD20 values | 
| 1418867 | SMSY: Inconsistency in hardware instances | 
| 1417788 | Report RSOLDIAG_CHECK_FOR_UPDATE is obsolete | 
| 1417113 | Incorrect action execution at time D | 
| 1416111 | SMSY: Dump in function module SMSY_GET_PRODVERS_TO_SYSTEM_BD | 
| 1415702 | Service Session Not Rated (e.g. EarlyWatch Alert) | 
| 1415008 | IB_GENERATE generates multiple ibases | 
| 1414175 | SMSY - Incorrect system number for ASCS systems | 
| 1413009 | Landscape fetch uses incorrect SLDAPICUST entry | 
| 1412956 | Short dump in change management - SAPSQL_ARRAY_INSERT_DUPREC | 
| 1411207 | Database schema update | 
| 1410614 | Selection of language when creating sessions | 
| 1409730 | Non standard ABAP Instance path and missing leading '/'. | 
| 1406019 | SMSY: Message AI_COMPARE006 (Internal error) in the log | 
| 1404478 | DB6: Database Performance Warehouse Aggregation Overflows | 
| 1404352 | SMSY: Database field in UI is empty | 
| 1404307 | SMSY: Identification of a J2EE-based main instance | 
| 1403835 | SMSY: Solar_Project_Admin causes short dump | 
| 1403210 | SMSY: ABAP software componennts for non-ABAP system | 
| 1400408 | Work Centers: SAP Message number lost; two messages created | 
| 1397823 | SMSY: Corrections Web Dynpro component SMSY_SYS_LOG_COMP | 
| 1395855 | SOLMAN_SETUP does not enter RFC destination for SolMan | 
| 1395591 | SMSY: Setting "relevant" indicator for ABAP instance | 
| 1394840 | Status of messages changed to "In Process" | 
| 1394831 | Check-in of scenario folder causes data loss | 
| 1393858 | SolMan Setup: BC-Set activation in production system | 
| 1392992 | SMSY: Incorrect product version selected for Java systems | 
| 1392762 | RSDRI_INFOPROV_READ_RFC does not aggregate usg.InfoProviders | 
| 1391793 | Transactional InfoCube RSM_DATASTATE_CHECK-8- | 
| 1391496 | SOLMAN_SETUP: JAVA system search changes system type | 
| 1389952 | Job SM:SYNC SAP SESSIONS | 
| 1389774 | Error in the EFWK if no agent installed on the SCS | 
| 1389738 | sap_tf_version error in Solution Manager DB Monitoring Setup | 
| 1389555 | SMSY: Determining calculated and installed product versions | 
| 1389228 | SOLMAN_SETUP: PFCG without menu in SAP GUI for HTML | 
| 1387963 | System does not display all text types despite authorization | 
| 1387690 | Diagnostics Landscape fixes | 
| 1383739 | SMSY landscape fetch, short dump, GET_PARENT_DIR | 
| 1383324 | Incorrect message if RFC function module does not exist | 
| 1382634 | DB6: Unable to create view 'SAPTOOLS.DBH_TABCLASS' | 
| 1381788 | SMSY - Correction when determining dual-stack systems | 
| 1381129 | SOLMAN_SETUP: Wrong Step User in Standard Jobs | 
| 1380903 | ABAP Dict. input help:The specified type type "b" is unknown | 
| 1380562 | SMSY: Persisting relevant main instances | 
| 1380216 | Support message: Duplicate attachments when sending to SAP | 
| 1379445 | SMSY: Corrections for fumo SMSY_GET_RELINST_TO_SYSTEM | 
| 1377360 | Corrections in landscape fetch regard. database system names | 
| 1377169 | Retrieve the reference Main Instances. | 
| 1376733 | SMSY: Indicator NO_ABAP_INCLUDED cleared | 
| 1376602 | Generated user has no RFC authorization | 
| 1376348 | SMSY generates incorrect IBase entries | 
| 1375352 | Runtime error MESSAGE_TYPE_X in Service Session Workbench | 
| 1374515 | Help->Create Support Message: Reporter not filled autom. | 
| 1374245 | SMSY: Relevant main instances are overwritten | 
| 1371909 | Incorrect destination in change manager | 
| 1371905 | Termin. in CL_DIAG_HOST_CONTROLLER=>GET_HOST_DATA_FOR_XML | 
| 1371792 | Random product version displayed in SMSY configuration | 
| 1371203 | Work Center: Attachments are not sent to SAP | 
| 1370396 | JAVA installation number is not transferred from the SLD | 
| 1370005 | SMSY: Performance when reading SMSY_SYSTEMS | 
| 1368260 | SMSY: SET/GET parameter for DBNAME | 
| 1367682 | Error occurs when deleting projects | 
| 1367056 | Incomplete Product Version list in Diagnostics Setup Wizard | 
| 1367011 | Document description causes errors when saving | 
| 1366685 | Correction JOB-SCHEDULER connection to OSS | 
| 1363498 | System numbers are overwritten | 
| 1363468 | SMSY: ABAP instances cannot be deleted | 
| 1360590 | SMSY: systems are created more than once | 
| 1360087 | Special characters in FormattedTextEdit/View controls | 
| 1359979 | ORA: Patches for Setup using SLD Data | 
| 1358322 | Runtime Errors: TABLE_INVALID_INDEX during SOLMAN_SETUP | 
| 1355948 | Documents are not transferred to the OSS system | 
| 1353721 | In SOLAR01/02 you can not see the Lock button | 
| 1352782 | ST: Resource bottle neck in Extractor Framework | 
| 1352574 | Instance number is missing for ABAP instances | 
| 1350401 | Incorrect leading product version set (data source SLD) | 
| 1349234 | Solman setup - Error when opening an RFC destination | 
| 1347497 | Database information is missing for new systems | 
| 1339468 | IBase components that are being used are deleted | 
| 1334507 | Dumps CREATE_DATA_UNKNOWN_TYPE in SMD_DATA_LOADER100 | 
| 1334304 | An error occurs during the check for an existing project | 
| 1330447 | ASSERT incorrect when RRI jump targets are activated | 
| 1329451 | Error in method IS_ADMIN for Oracle remote databases | 
| 1326953 | BP_GEN: Form of addr and bus addr not transferred correctly | 
| 1325083 | SMSY: Yellow exclamation marks despite correct product vers. | 
| 1319829 | WDA: Dump in method CL_WDR_CONTEXT_NODE_MAP->is_alive | 
| 1302672 | Errors sending mail from service desk message | 
| 1297598 | Fix in prerequisite | 
| 1294371 | ST: Migration of Extractor FWK / SP18 | 
| 1279051 | Work Centers: business partner search causes short dump | 
| 1276846 | Corrections to versioning in Solution Directory | 
| 1256423 | ST: Corrections to BI Content 7.04 |