There is some missing code int the ZorroFolder/include/r.h file.
Below line of codes need to be added.


int Rstart(const char* source,int debug)
{
if(hR) return hR; // R session already running
#ifdef WIN32
g->RLib = LoadLibrary("mt4R.dll");
PROC(RInit_);
PROC(RIsRunning);
PROC(RIsBusy);
PROC(RExecute);
PROC(RExecuteAsync);
PROC(RAssignString);
PROC(RAssignInteger);
PROC(RAssignDouble);
PROC(RAssignVector);
PROC(RAssignMatrix);
PROC(RGetInteger);
PROC(RGetDouble);
PROC(RGetVector);
PROC(RPrint);
PROC(RLastOutput);
PROC(RDeinit); <========================================= THIS!!
#endif
hR = RInit_(strf("%s --no-save",g->sRTermPath), debug);
if(!hR) {
print(TO_WINDOW,"\nCan't open %s\n ",g->sRTermPath);
return 0;
}
if(!RIsRunning(hR)) {
print(TO_WINDOW,"\nCan't run R!\n ");
return 0;
}
Rx("rm(list = ls());",0); // clear the workspace
if(source) if(*source)
Rx(strf("source('%sStrategy/%s')",slash(ZorroFolder),source),2);
return hR;
}