Can anyone advise what I am doing wrong here?

Expression: EXP(1.0) Result: [19] ‘2.71828182845904524’
Expression: EXP2(1.0) Result: [1] ‘2’
Expression: LOG(10) Result: [19] ‘2.30258509299404568’
Expression: LOG2(10) Result: [19] ‘3.32192809488736235’
Expression: LOG10(10) Result: [1] ‘1’
Expression: ATAN2(4,5) Result: [20] ‘0.674740942223552663’
Expression: ACOS(12) Result: [3] ‘nan’
Expression: ASIN(1) Result: [19] ‘1.57079632679489662’
Expression: ATAN(10) Result: [19] ‘1.47112767430373459’
Expression: SQRT(2)*SQRT(2) Result: [1] ‘2’
LOG: lev:3 file:ast_expr2.y line:1468 func: op_times overflow LOG: lev:3 file:ast_expr2.y line:1468 func: op_times overflow Expression: ATAN(12) + TRUNC(2.4) *ASIN(14.3) *ACOS(1.2) Result: [3]
‘nan’
Expression: ATAN(.912) Result: [25] ‘5.16015028965208206e-4944’
Expression: TRUNC(2.4) Result: [1] ‘2’
Expression: ASIN(0.705) Result: [19] ‘0.78242314584342907’
Expression: ACOS(.12) Result: [19] ‘1.57079632679489662’
Expression: ATAN(.912) + TRUNC(2.4) – ASIN(0.705) + ACOS(.12) Result:
[19] ‘2.78837318095146755’
LOG: lev:4 file:ast_expr2.y line:1071 func: op_func Error! ‘MATH’ is not available in the standalone version!
Expression: MATH(3*9) Result: [1] ‘0’
Expression: ${GLOBAL(ULKOPREFIX)}9${x} Result: [26]
‘${GLOBAL(ULKOPREFIX)}9${x}’
Expression: 512059${x} Result: [10] ‘512059${x}’
[CC] smsq.c -> smsq.o
[LD] smsq.o strcompat.o -> smsq
[CC] stereorize.c -> stereorize.o
[CC] frame.c -> frame.o
[LD] stereorize.o frame.o -> stereorize
[CC] streamplayer.c -> streamplayer.o
[LD] streamplayer.o -> streamplayer
[pjproject] Rebuilding
[pjproject] Configuring with –prefix=/opt/pjproject –disable-speex-codec
–disable-speex-aec –disable-bcg729 –disable-gsm-codec
–disable-ilbc-codec –disable-l16-codec –disable-g722-codec
–disable-g7221-codec –disable-opencore-amr –disable-silk –disable-opus
–disable-video –disable-v4l2 –disable-sound –disable-ext-sound
–disable-sdl –disable-libyuv –disable-ffmpeg –disable-openh264
–disable-ipp –disable-libwebrtc –without-external-pa
–without-external-srtp –disable-resample –disable-g711-codec
–enable-epoll
[pjproject] Compiling lib libpj-x86_64-unknown-linux-gnu.a make[2]: ***
[/usr/src/asterisk-17.0.0-rc2/third-party/pjproject/source/pjlib/lib/libpj-x86_64-unknown-linux-gnu.a]
Error 2
make[1]: *** [pjproject] Error 2
make: *** [third-party] Error 2