just chosse which date you want to see the resistant and support in it and the indicator will plot it
during First use of the indicator you will see ( triangle appear) the bug fixed
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.