ID:13537 Verilog HDL Unsupported Feature error at <location>: Integrated Synthesis does not support <text>

CAUSE: At the specified location in a Verilog Design File (.v), you used a Verilog or SystemVerilog feature that the Quartus Prime software does not currently support.

ACTION: Restructure your design so that it does not require the unsupported feature. Consult the Quartus Prime Help for a list of supported and unsupported features.