Generally,circular references are of no concern to the user,but Excel creates warnings just as a precaution.

Name: Generally,circular references are of no concern to the user,but Excel creates warnings just as a precaution.
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Quizplus · Accepted Answer

Circular references can cause calculation errors or endless loops in Excel, which is why Excel warns users about them. They indicate that a formula refers back to its own cell, either directly or through a chain of references, potentially causing incorrect calculations.

Generally,circular References Are of No Concern to the User,but Excel