ok solved, i find the solution
so i post it here if any one in the future has the same problem
the file that should open in an editor in the teacup folder is the ''temp.c''
and in the line 619-620 :
''
#ifdef REPORT_TARGET_TEMPS
sersendf_P(PSTR("/"));
''
have to add a space before /
be like that :
''
#ifdef REPORT_TARGET_TEMPS
sersendf_P(PSTR(" /"));
''
then compile and will work just fine