Solution : https://service.sap.com/sap/support/notes/1240729 (SAP Service marketplace login required)
Key words : 
program error arising due, analyzer-variable_refresh_3x reason, sap netweaver bi 7, sap nw bi7, 01 bi abap sp06, authorisation variables ready, maintian rsadmin entries, text elements display, unfilled dynchange variables, variable screen shows
Related Notes : 
       
| 1405524 | Empty slicer is not retained when bookmark executed again | 
| 1394067 | During internal RRI variables and filters gets lost | 
| 1390996 | 3.x Analyzer: Variable values not refreshed correct | 
| 1369212 | SAPBINews NW 7.01 BI ABAP Support Package 06 | 
| 1143771 | Not all variables displayed as text elements | 
| 1136884 | SAPBINews NW7.00 BI ABAP Support Package 19 | 
| 1064273 | Problems when you process the variable screen again | 
| 953402 | Variables are displayed when you refresh all queries |