sed execution error on qtbase install step in Kirkstone Build

| sed: -e expression #4, char 0: no previous regular expression 
| WARNING: /opt/yocto/decu/develop-qt6/build/tmp/work/corei7-64-poky-linux/qtbase/6.5.1-r0/temp/run.do_install.2312917:206 exit 1 from 'sed -e 's:::' -e 's:-fmacro-prefix-map=/opt/yocto/decu/develop-qt6/build/tm
p/work/corei7-64-poky-linux/qtbase/6.5.1-r0=/usr/src/debug/qtbase/6.5.1-r0                      -fdebug-prefix-map=/opt/yocto/decu/develop-qt6/build/tmp/work/corei7-64-poky-linux/qtbase/6.5.1-r0=/usr/src/debug/q
tbase/6.5.1-r0                      -fdebug-prefix-map=/opt/yocto/decu/develop-qt6/build/tmp/work/corei7-64-poky-linux/qtbase/6.5.1-r0/recipe-sysroot=                      -fdebug-prefix-map=/opt/yocto/decu/deve
lop-qt6/build/tmp/work/corei7-64-poky-linux/qtbase/6.5.1-r0/recipe-sysroot-native=   -fmacro-prefix-map=/opt/yocto/decu/develop-qt6/build/tmp/work/corei7-64-poky-linux/qtbase/6.5.1-r0/image= ::' -e 's:/opt/yocto
/decu/develop-qt6/build/tmp/work/corei7-64-poky-linux/qtbase/6.5.1-r0/recipe-sysroot:$$[QT_SYSROOT]:' -e 's:x86_64-poky-linux-:$$[QT_HOST_PREFIX]/usr/bin/x86_64-poky-linux/x86_64-poky-linux-:' >> /opt/yocto/decu
/develop-qt6/build/tmp/work/corei7-64-poky-linux/qtbase/6.5.1-r0/image/usr/lib/mkspecs/linux-oe-g++/qmake.conf <<EOF 
|  
| isEmpty(QMAKE_CC): { 
|     QMAKE_AR = x86_64-poky-linux-gcc-ar cqs 
|     QMAKE_AR_LTCG = x86_64-poky-linux-gcc-ar cqs 
|     QMAKE_STRIP = x86_64-poky-linux-strip 
|     QMAKE_OBJCOPY = x86_64-poky-linux-objcopy 
|     QMAKE_CC = x86_64-poky-linux-gcc 
|     QMAKE_CFLAGS +=   -m64 -march=nehalem -mtune=generic -mfpmath=sse -msse4.2 -fstack-protector-strong   -Wformat -Wformat-security -Werror=format-security --sysroot=/opt/yocto/decu/develop-qt6/build/tmp/work
/corei7-64-poky-linux/qtbase/6.5.1-r0/recipe-sysroot 
|     QMAKE_CXX = x86_64-poky-linux-g++ 
|     QMAKE_CXXFLAGS +=   -m64 -march=nehalem -mtune=generic -mfpmath=sse -msse4.2 -fstack-protector-strong   -Wformat -Wformat-security -Werror=format-security --sysroot=/opt/yocto/decu/develop-qt6/build/tmp/wo
rk/corei7-64-poky-linux/qtbase/6.5.1-r0/recipe-sysroot 
|     QMAKE_LINK = x86_64-poky-linux-g++ 
|     QMAKE_LFLAGS +=  -m64 -march=nehalem -mtune=generic -mfpmath=sse -msse4.2 -fstack-protector-strong   -Wformat -Wformat-security -Werror=format-security --sysroot=/opt/yocto/decu/develop-qt6/build/tmp/work/
corei7-64-poky-linux/qtbase/6.5.1-r0/recipe-sysroot -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -fmacro-prefix-map=/opt/yocto/decu/develop-qt6/build/tmp/work/corei7-64-poky-linux/qtbase/6.5.1-r0=/usr/src/debug/
qtbase/6.5.1-r0                      -fdebug-prefix-map=/opt/yocto/decu/develop-qt6/build/tmp/work/corei7-64-poky-linux/qtbase/6.5.1-r0=/usr/src/debug/qtbase/6.5.1-r0                      -fdebug-prefix-map=/opt
/yocto/decu/develop-qt6/build/tmp/work/corei7-64-poky-linux/qtbase/6.5.1-r0/recipe-sysroot=                      -fdebug-prefix-map=/opt/yocto/decu/develop-qt6/build/tmp/work/corei7-64-poky-linux/qtbase/6.5.1-r0
/recipe-sysroot-native=   -fmacro-prefix-map=/opt/yocto/decu/develop-qt6/build/tmp/work/corei7-64-poky-linux/qtbase/6.5.1-r0/image=  -Wl,-z,relro,-z,now 
|     } 
| EOF 
| ' 
| WARNING: Backtrace (BB generated script): 
|       #1: do_install, /opt/yocto/decu/develop-qt6/build/tmp/work/corei7-64-poky-linux/qtbase/6.5.1-r0/temp/run.do_install.2312917, line 206 
|       #2: main, /opt/yocto/decu/develop-qt6/build/tmp/work/corei7-64-poky-linux/qtbase/6.5.1-r0/temp/run.do_install.2312917, line 248 
ERROR: Task (/opt/yocto/decu/develop-qt6/sources/poky/../../sources/meta-qt6/recipes-qt/qt6/qtbase_git.bb:do_install) failed with exit code '1' 
NOTE: Tasks Summary: Attempted 1867 tasks of which 1855 didn't need to be rerun and 1 failed. 

Summary: 1 task failed: 
 /opt/yocto/decu/develop-qt6/sources/poky/../../sources/meta-qt6/recipes-qt/qt6/qtbase_git.bb:do_install