Description
Due to a problem in the Quartus® II software version 12.0 SP2 or earlier, you may see this internal error when compiling your design after clicking Update Symbol or Block in the Block Editor.
Resolution
A patch is available to fix this problem in the Quartus II software version 12.0 SP2. Download and install patch 2.16 from the appropriate link below:
- Download the version 12.0 SP2 patch 2.16 for Windows (.exe)
- Download the version 12.0 SP2 patch 2.16 for Linux (.tar)
- Download the Readme for the Quartus II software version 12.0 SP2 patch 2.16 (.txt)
This problem is fixed beginning with the Quartus II software version 12.1.