Index: openacs-4/packages/boomerang/tcl/boomerang-procs.tcl =================================================================== RCS file: /usr/local/cvsroot/openacs-4/packages/boomerang/tcl/boomerang-procs.tcl,v diff -u -r1.13.2.12 -r1.13.2.13 --- openacs-4/packages/boomerang/tcl/boomerang-procs.tcl 14 Nov 2019 11:31:52 -0000 1.13.2.12 +++ openacs-4/packages/boomerang/tcl/boomerang-procs.tcl 20 Nov 2019 08:14:06 -0000 1.13.2.13 @@ -190,8 +190,11 @@ } if {[dict exists $entries nt_load_end]} { dict set entries nt_total_time [expr {[dict get $entries nt_load_end] - [dict get $entries nt_nav_st]}] - } else { + } elseif {[dict exists $entries t_done]} { dict set entries nt_total_time [dict get $entries t_done] + } else { + ns_log error "boomerang: cannot determine nt_total_time (no load_end nor t_done)\nentries: $entries" + error "cannot determine nt_total_time" } #