Unknown format conversion exception

[abhiku0007]

khanabadosh@KhanaBadosh:/mnt/c/Users/Abhishek Kumar/Desktop/NGS_Data_Analysis/Test1$ java -Xmx2g -jar abra2-2.23.jar --in Sorted_out.bam --out
Sorted_out.abra.bam --ref S288C_reference_sequence_R64-2-1_20150113.fsa threads 4 --tmpdir tmpdir > abra.log
INFO Sat Aug 26 18:25:56 IST 2023 Abra version: 2.23
Exception in thread "main" java.util.UnknownFormatConversionException: Conversion = 'K'
at java.util.Formatter$FormatSpecifier.conversion(Formatter.java:2691)
at java.util.Formatter$FormatSpecifier.(Formatter.java:2720)
at java.util.Formatter.parse(Formatter.java:2560)
at java.util.Formatter.format(Formatter.java:2501)
at java.util.Formatter.format(Formatter.java:2455)
at java.lang.String.format(String.java:2940)
at abra.Logger.info(Logger.java:45)
at abra.ReAligner.run(ReAligner.java:1739)
at abra.Abra.main(Abra.java:12)