Solution : https://service.sap.com/sap/support/notes/174645 (SAP Service marketplace login required)
Key words : 
previous block    call function 'dequeue_estbtco'        exporting              jobname = 'rs_eu_jobs_init_put_reorg' #ec notext              jobcount = '99999999', block    call function 'enqueue_estbtco'        exporting              jobname = 'rs_eu_jobs_init_put_reorg' #ec notext              jobcount = '99999999', developers call transaction se80, #ec notext        exceptions, #ec notext  endif, additional key words eu_reorg, function group sewb, object navigator / repository browser, automatic scheduling mechanism, unlock call
Related Notes : 
       
| 208540 | Multiple scheduling of the jobs EU_PUT and EU_REORG | 
| 188790 | Multiple scheduling of jobs EU_PUT and EU_REORG | 
| 18023 | Jobs EU_INIT, EU_REORG, EU_PUT |