Solution : https://service.sap.com/sap/support/notes/643389 (SAP Service marketplace login required)
Key words :
description 'repository browser', blueprint application builder, select 'bsp application', enter bsp application, 'preview' group box, loaded application hangs, page fragment javascript, bsp application crm_bsp_bab_pan, application hangs, 'page fragments'
Related Notes :
| 624534 | SP21-SP24 JavaScript Syntax Error / CRMDesigner tool |