I cannot find the errors (Serafino Convertini)

Hi to all,I exported a FW from MPLAB 8 (with C30 compiler) in MPLABX (with XC16 compiler)The compiling of the project fails and i get this message CLEAN SUCCESSFUL (total time: 51ms)
make -f nbproject/Makefile-default.mk SUBPROJECTS= .build-conf