[amibroker] getting barssince yesterdays intraday high

[Jilm]

im trying to write 
barssince(h==ref(hhv(h,288),-barssince(timenum()==0)));
and its giving me a barssince in the 1000's

i also tried barssince(h==timeframegetprice("h",indaily,-1));
still same thing...this a glitch or something?