Running Ngdanno on 4000xl designs, the following error may occur:
FATAL_ERROR:Ngd:PhysOnly.c:423:1.11 - pin PRE on block core_Comp_audio_core_Comp_PORT_AESFramerIf_Comp_AESFramingStateMac hine_presen t_state<14>/I$1 is mapped but unconnected Process will terminate.
Solution
The workaround is not to use the ngm file.
In order to not use the ngm file (which back annotates the original design files for simulation) follow these steps:
In Design Manager: Design -> Options -> Edit Options (next to the Simulation pulldown) Uncheck the Correlate Simulation Data to Input Design Rerun Implementation