Delete rows based on match criteria in two excel files or single Excel File

[fixer]

May i know the reason why it is bad Doc sir So that i can be safe with my work
I have not use this in every code but Now some modification is needed and as per requirement that line is needed but may i know the information Doc sir why i should not use that & what that line will do, it will only stop the Error msg only correct me doc Sir if i am wrong

[fixer]

No issue Doc Sir i have another plan for this i will not use that line Thnx for the guidance Sir but i am not getting the desired result plz look Sir