Description
Due to a problem in the Quartus II software version 11.1 SP2 and earlier, you may see this error when compiling your design.
Resolution
A patch is available to fix this problem for the Quartus II software version 11.1 SP2. Download and install Patch 2.19 from the appropriate link below.
- Download the version 11.1 SP2 patch 2.19 for Windows (.exe)
- Download the version 11.1 SP2 patch 2.19 for Linux (.tar)
- Download the Readme for the Quartus II software version 11.1 SP2 patch 2.19 (.txt)
This problem is fixed beginning with the Quartus II software version 12.0.