CCS/cc3200: ccs 7 compiler issues

Tool/software: Code Composer Studio

During code compilation getting following error message,Example code in blink(cc3200)

C:\\TI\\ccsv7\\utils\\bin\\gmake" -k all
'C:\Users\r' is not recognized as an internal or external command,
operable program or batch file.
The system cannot find the path specified.
gmake: *** [adc_userinput.obj] Error 1
'C:\Users\r' is not recognized as an internal or external command,
operable program or batch file.
The system cannot find the path specified.
gmake: *** [base64.obj] Error 1
'C:\Users\r' is not recognized as an internal or external command,
operable program or batch file.
The system cannot find the path specified.
gmake: *** [email.obj] Error 1
'C:\Users\r' is not recognized as an internal or external command,
operable program or batch file.
The system cannot find the path specified.
gmake: *** [gpio_if.obj] Error 1
'C:\Users\r' is not recognized as an internal or external command,
operable program or batch file.
The system cannot find the path specified.
gmake: *** [ini.obj] Error 1
'C:\Users\r' is not recognized as an internal or external command,
operable program or batch file.
The system cannot find the path specified.
gmake: *** [main.obj] Error 1
'C:\Users\r' is not recognized as an internal or external command,
operable program or batch file.
The system cannot find the path specified.
gmake: *** [network_common.obj] Error 1
'C:\Users\r' is not recognized as an internal or external command,
operable program or batch file.
The system cannot find the path specified.
gmake: *** [nonos.obj] Error 1
'C:\Users\r' is not recognized as an internal or external command,
operable program or batch file.
The system cannot find the path specified.
gmake: *** [pinmux.obj] Error 1
'C:\Users\r' is not recognized as an internal or external command,
operable program or batch file.
The system cannot find the path specified.
gmake: *** [smartconfig.obj] Error 1
'C:\Users\r' is not recognized as an internal or external command,
operable program or batch file.
The system cannot find the path specified.
gmake: *** [startup_ccs.obj] Error 1
'C:\Users\r' is not recognized as an internal or external command,
operable program or batch file.
The system cannot find the path specified.
gmake: *** [timer_if.obj] Error 1
'C:\Users\r' is not recognized as an internal or external command,
operable program or batch file.
The system cannot find the path specified.
gmake: *** [uart_if.obj] Error 1
'C:\Users\r' is not recognized as an internal or external command,
operable program or batch file.
The system cannot find the path specified.
gmake: *** [udma_if.obj] Error 1
'C:\Users\r' is not recognized as an internal or external command,
operable program or batch file.
The system cannot find the path specified.
gmake: *** [wdt_if.obj] Error 1
gmake: Target `all' not remade because of errors.

**** Build Finished ****