Solution : https://service.sap.com/sap/support/notes/1362587 (SAP Service marketplace login required)
Key words : 
ehp<number>sps<number>-> support package stack guideupdate procedure 1, /instguides-> installation & upgrade guides-> sap netweaver-> sap netweaver 7, abort extremely long running plan execution threads, support packages stack guide, sap businessobjects explorer reason, -> maintenance-> sps <number>, issues accessing offset files, avoid wrong query results, existing trex/bwa instance, support package
Related Notes : 
       
| 1379308 | BIA Revision 52: AlertServer corrections and hints | 
| 1362658 | BWA 7.00: Incorrect query result due to internal compression | 
| 1362590 | BWA 7.00: Incorrect result if query runs during commit | 
| 1058533 | TREX/BWA/HANA service connection to customer systems | 
| 883726 | BIA 7.00: Central Note SAP NetWeaver BI accelerator |