Simulink support package error in connection

following error accured "The call to realtime_make_rtw_hook, during the after_make hook generated the following error: Error executing SSH command: make: Entering directory `/home/pi/raspberrypi_gettingstarted_rtt' "gcc" -I"./" -O3 -D"MODEL=raspberrypi_gettingstarted" -D"NUMST=1" -D"NCSTATES=0" -D"HAVESTDIO=" -D"ON_TARGET_WAIT_FOR_START=1" -D"ONESTEPFCN=0" -D"EXT_MODE=1" -D"TERMFCN=1" -D"MAT_FILE=0" -D"MULTI_INSTANCE_CODE=0" -D"INTEGER_CODE=0" -D"MT=0" -D"CLASSIC_INTERFACE=0" -D"TID01EQ=0" -D"_USE_TARGET_UDP_=" -D"_RUNONTARGETHARDWARE_BUILD_=" -D"EXIT_FAILURE=1" -D"EXTMODE_DISABLETESTING=" -c ./linuxUDP.c ./ert_main.c ./raspberrypi_gettingstarted.c ./raspberrypi_gettingstarted_data.c ./ext_svr.c ./ext_work.c ./rtiostream_interface.c ./updown.c ./rtiostream_tcpip.c ./rtiostream_utils.c FATAL ERROR: Network error: Software caused connection abort

The build process will terminate as a result.

Caused by: Error executing SSH command: make: Entering directory `/home/pi/raspberrypi_gettingstarted_rtt' "gcc" -I"./" -O3 -D"MODEL=raspberrypi_gettingstarted" -D"NUMST=1" -D"NCSTATES=0" -D"HAVESTDIO=" -D"ON_TARGET_WAIT_FOR_START=1" -D"ONESTEPFCN=0" -D"EXT_MODE=1" -D"TERMFCN=1" -D"MAT_FILE=0" -D"MULTI_INSTANCE_CODE=0" -D"INTEGER_CODE=0" -D"MT=0" -D"CLASSIC_INTERFACE=0" -D"TID01EQ=0" -D"_USE_TARGET_UDP_=" -D"_RUNONTARGETHARDWARE_BUILD_=" -D"EXIT_FAILURE=1" -D"EXTMODE_DISABLETESTING=" -c ./linuxUDP.c ./ert_main.c ./raspberrypi_gettingstarted.c ./raspberrypi_gettingstarted_data.c ./ext_svr.c ./ext_work.c ./rtiostream_interface.c ./updown.c ./rtiostream_tcpip.c ./rtiostream_utils.c FATAL ERROR: Network error: Software caused connection abort " Kindly help