error in creating Industrial PC demo

Trying to build the Industrial PC version of freeRTOS 5.4.2. The build is using heap_3.c. I am getting the error: “undefined symbol portBYTE_ALIGNMENT” in tasks.c setting it to 2 in prtmacro.h should solve the problem. I am correct?  

error in creating Industrial PC demo

Yes, also try downloading the latest version of FreeRTOS.