dlms program :Error compiling For arduino board

thanks for your fast response.
I have done what you suggest as per your previous reply. but after that I compiled the program in arduino but again another errors are occur in the error box.

look error:
C:\Users\Admin\Desktop\GuruxDLMS.c-master\Arduino_IDE\server\server.ino: In function 'void loop()':

C:\Users\Admin\Desktop\GuruxDLMS.c-master\Arduino_IDE\server\server.ino:435:61: warning: invalid conversion from 'char*' to 'unsigned char*' [-fpermissive]

if (svr_handleRequest2(&settings, tmp, available, &reply) != 0)

^

In file included from C:\Users\Admin\Desktop\GuruxDLMS.c-master\Arduino_IDE\server\server.ino:38:0:

sketch\include/server.h:54:9: note: initializing argument 2 of 'int svr_handleRequest2(dlmsServerSettings*, unsigned char*, short unsigned int, gxByteBuffer*)'

int svr_handleRequest2(

^

sketch\src\bytebuffer.c:246:5: error: redefinition of 'bb_setUInt8ByIndex'

int bb_setUInt8ByIndex(

^

sketch\src\bytebuffer.c:210:5: note: previous definition of 'bb_setUInt8ByIndex' was here

int bb_setUInt8ByIndex(

^

sketch\src\bytebuffer.c: In function 'bb_setUInt8ByIndex':

sketch\src\bytebuffer.c:252:15: warning: implicit declaration of function 'bb_allocate' [-Wimplicit-function-declaration]

int ret = bb_allocate(arr, index, 1);

^

sketch\src\notify.c: In function 'notify_parsePush':

sketch\src\notify.c:242:43: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]

arr_push(items, key_init(obj, (void*)(unsigned long long)index));

^
exit status 1
Error compiling for board Arduino/Genuino Uno.

CAN YOU GIVE ME THE WITHOUT ERROR FILE OF ARDUINO PROGRAM ?

lot a thanks for your previous response.
MN VASANI..