IAR compiler internal error while compiling

IAR C/C++ Compiler for MSP430
5.10.1  (5.10.1.20144) I get an illegal state internal error when attempting to compile the Task.c file (everything else compiles fine) Internal Error: : Illegal state The kick start version of IAR (MSP430 version) works fine.

IAR compiler internal error while compiling

Oh ya,
I am using FreeRTOS 5.4