realloc -> No source code lines were found at current PC 0x2a6 (jhay)

I am compiling for a PIC24FJ256GB108 using the C30 compiler Using MPLABX and a ICD3 by code stops wthe the error: No source code lines were found at current PC 0x2a6 On the realloc line of the below code (presumably realloc never returns or isnt there). C..