I want to check a webpage continuously till it shows 'success' - What's wrong with this code I built?

It’s continuously showing like this :

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The LOOP COUNT #n is the label68, and the 200: Incorrect … is the label69. Above these 2 labels is the webviewer.

Also, even after I complete the form in the webviewer, the label69 remains intact (still showing Incorrect ID …) & the counter also doesn’t stop. Instead the counter should stop (because the loop should end if success is the response) & the label69 must display Success…

Thanks!