java.util.UnknownFormatConversionException: Conversion = 'l'

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Conversion = 'i'
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java.util.UnknownFormatConversionException: Conversion = 'l'
at java.util.Formatter$FormatSpecifier.conversion(Unknown Source)
at java.util.Formatter$FormatSpecifier.(Unknown Source)
at java.util.Formatter.parse(Unknown Source)
at java.util.Formatter.format(Unknown Source)
at java.io.PrintStream.format(Unknown Source)
at java.io.PrintStream.printf(Unknown Source)
at undefined.AgeInSeconds.main(AgeInSeconds.java:47)

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