error while compliling

[Dhwani-2410]

~/Documents/Softwares/TMAP$ make
make all-recursive
make[1]: Entering directory '/home/dhwani/Documents/Softwares/TMAP'
Making all in .
make[2]: Entering directory '/home/dhwani/Documents/Softwares/TMAP'
depbase=echo src/sw/lib/Solution9.o | sed 's|[^/]*$|.deps/&|;s|\.o$||';
g++ -DHAVE_CONFIG_H -I. -Wall -g -O3 -pthread -msse3 -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -MT src/sw/lib/Solution9.o -MD -MP -MF $depbase.Tpo -c -o src/sw/lib/Solution9.o src/sw/lib/Solution9.cpp &&
mv -f $depbase.Tpo $depbase.Po
src/sw/lib/Solution9.cpp:152:133: error: narrowing conversion of ‘197’ from ‘int’ to ‘char’ [-Wnarrowing]
152 | 6[16] = {0x68, 0xC5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
| ^

make[2]: *** [Makefile:1433: src/sw/lib/Solution9.o] Error 1
make[2]: Leaving directory '/home/dhwani/Documents/Softwares/TMAP'
make[1]: *** [Makefile:1476: all-recursive] Error 1
make[1]: Leaving directory '/home/dhwani/Documents/Softwares/TMAP'
make: *** [Makefile:754: all] Error 2