Error building simulink model , please help

Code Generation 1

Elapsed: 21 sec

### Generating code into build folder: C:\Users\hp\Desktop\Project\SLX\untitlnmed_ert_rtw

### Invoking Target Language Compiler on untitlnmed.rtw

### Using System Target File: C:\Program Files\MATLAB\R2016a\rtw\c\ert\ert.tlc

### Loading TLC function libraries

### Initial pass through model to cache user defined code

### Caching model source code

### Writing header file untitlnmed.h

### Writing header file untitlnmed_types.h

### Writing header file rtwtypes.h

### Writing header file multiword_types.h

### Writing source file untitlnmed.c

.

### Writing header file untitlnmed_private.h

### Writing source file untitlnmed_data.c

### Writing header file rtmodel.h

### Writing source file ert_main.c

### TLC code generation complete.

### Generating TLC interface API.

### Creating data type transition file untitlnmed_dt.h

.### Evaluating PostCodeGenCommand specified in the model

### Using toolchain: Arduino AVR v1.6.1 | gmake (64-bit Windows)

### 'C:\Users\hp\Desktop\Project\SLX\untitlnmed_ert_rtw\untitlnmed.mk' is up to date

### Building 'untitlnmed': C:\PROGRA~1\MATLAB\R2016a\bin\win64\gmake -f untitlnmed.mk all

C:/MATLAB/SupportPackages/R2016a/arduino-1.6.1/hardware/tools/avr/bin/avr-gcc -c -g -w -ffunction-sections -fdata-sections -MMD -DARDUINO=10601 -MMD -MP -MF"untitlnmed.dep" -MT"untitlnmed.o" -Os -mmcu=atmega2560 -DF_CPU=16000000L -DARDUINO_AVR_MEGA2560 -DARDUINO_ARCH_AVR -D_RUNONTARGETHARDWARE_BUILD_ -D_ROTH_MEGA2560_ -DMODEL=untitlnmed -DNUMST=1 -DNCSTATES=0 -DHAVESTDIO -DON_TARGET_WAIT_FOR_START=1 -DONESTEPFCN=1 -DEXT_MODE=1 -DTERMFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=0 -DINTEGER_CODE=0 -DMT=0 -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTID01EQ=0 -D__MW_TARGET_USE_HARDWARE_RESOURCES_H__ -DEXIT_FAILURE=1 -DEXTMODE_DISABLEPRINTF -DEXTMODE_DISABLETESTING -DEXTMODE_DISABLE_ARGS_PROCESSING=1 -DRT -DSTACK_SIZE=64 -DMW_TIMERID=1 -DMW_PRESCALAR=1024 -DMW_TIMERCOUNT=49911 -DMW_SCHEDULERCOUNTER=1 -D_RTT_BAUDRATE_SERIAL0_=9600 -D_RTT_BAUDRATE_SERIAL1_=9600 -D_RTT_BAUDRATE_SERIAL2_=9600 -D_RTT_BAUDRATE_SERIAL3_=9600 -D_RTT_ANALOG_REF_=0 -D_RTT_NUMSERVOS_=1 -DONESTEPFCN=1 -DEXT_MODE=1 -DTERMFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=0 -DINTEGER_CODE=0 -DMT=0 -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTID01EQ=0 -DON_TARGET_WAIT_FOR_START=1 -DEXIT_FAILURE=1 -DEXTMODE_DISABLEPRINTF -DEXTMODE_DISABLETESTING -DEXTMODE_DISABLE_ARGS_PROCESSING=1 -DRT -DSTACK_SIZE=64 -DMODEL=untitlnmed -DNUMST=1 -DNCSTATES=0 -DHAVESTDIO -IC:/MATLAB/SupportPackages/R2016a/toolbox/target/supportpackages/arduinobase/include -IC:/MATLAB/SupportPackages/R2016a/toolbox/target/supportpackages/arduinobase/blocks/sfcn/include -IC:/PROGRA~1/MATLAB/R2016a/simulink/include/sf_runtime -IC:/Users/hp/Desktop/Project/SLX/untitlnmed_ert_rtw -IC:/Users/hp/Desktop/Project/SLX -IC:/PROGRA~1/MATLAB/R2016a/extern/include -IC:/PROGRA~1/MATLAB/R2016a/simulink/include -IC:/PROGRA~1/MATLAB/R2016a/rtw/c/src -IC:/PROGRA~1/MATLAB/R2016a/rtw/c/src/ext_mode/common -IC:/PROGRA~1/MATLAB/R2016a/rtw/c/ert -IC:/PROGRA~1/MATLAB/R2016a/toolbox/coder/rtiostream/src/utils -IC:/MATLAB/SupportPackages/R2016a/arduino-1.6.1/hardware/arduino/avr/cores/arduino -IC:/MATLAB/SupportPackages/R2016a/arduino-1.6.1/hardware/arduino/avr/variants/mega -IC:/MATLAB/SupportPackages/R2016a/toolbox/target/supportpackages/arduinotarget/registry/../include -IC:/MATLAB/SupportPackages/R2016a/toolbox/target/supportpackages/arduinotarget/registry/../scheduler/include -IC:/MATLAB/SupportPackages/R2016a/arduino-1.6.1/libraries/Servo/src -IC:/MATLAB/SupportPackages/R2016a/arduino-1.6.1/libraries/Servo/src/avr -o "untitlnmed.o" "untitlnmed.c"

### Build procedure for model: 'untitlnmed' aborted due to an error.

### Unable to find build success string: "### Successfully generated all binary outputs." in build log.