XC16 1.30 won't link (Volker)

Hi,i try to compile our project with XC16 V1.30 and the Linker give a lot of messages like this:build/TEST_FW_Pic_V3_8/production/smb.o(.text+0x1a): In function `.L3': : undefined reference to `_CloseI2C2' build/TEST_FW_Pic_V3_8/production/smb.o(.text+0..