ScannerSweep events with no location, how can this be

[dsjoerg]

How can this event have no location?!
event 09.30 asphyxa         Ability (10C0) - ScannerSweep
Cant figure out which Base this Chronoboost/Scan/etc was for. Ignoring it :(
How can this event have no location?!
event 10.32 asphyxa         Ability (10C0) - ScannerSweep
Cant figure out which Base this Chronoboost/Scan/etc was for. Ignoring it :(
How can this event have no location?!
event 12.44 asphyxa         Ability (10C0) - ScannerSweep
Cant figure out which Base this Chronoboost/Scan/etc was for. Ignoring it :(
How can this event have no location?!
event 14.37 asphyxa         Ability (10C0) - ScannerSweep
Cant figure out which Base this Chronoboost/Scan/etc was for. Ignoring it :(

for this replay: http://drop.sc/replay/3841038