Hi, Mustapha, if you think the indicator has a bug, can you provide a few screenshots and a full description of the issue, and we will contact the vendor of this product to review.
I also started programming with C and assembly, those were good days :-)
Regarding the free indicator you downloaded, it works fine for us, and we have not received any reports of issues from other customers. Did you try adding it to a clean chart to see if the problem persists?
I found another one that might help.
https://clickalgo.com/breakout-channel