For each row round2 not working

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An Excel spreadsheet window displaying a column of incremented numbers from 5 to 45 in Sheet1. (Captioned by AI)
An Excel spreadsheet window displaying a column of incremented numbers from 5 to 45 in Sheet1. (Captioned by AI)747×522 31.6 KB

Might be you excel is look a like this where 2 row is empty and you give the logic

The image shows a debug session of a UiPath workflow, with a sequence involving a Try Catch block, Write Line, and Break activities, along with the Output panel displaying debugging logs. (Captioned by AI)
The image shows a debug session of a UiPath workflow, with a sequence involving a Try Catch block, Write Line, and Break activities, along with the Output panel displaying debugging logs. (Captioned by AI)725×517 19.7 KB

and in the else i think you are passing break activity . so when it goes for the 2 row where data is empty it goes in the else branch and break that loop.so if you are using loop remove that.