Internal Error: Sub-system: DEV, File: /quartus/ddb/dev/dev_basic_info.cpp, Line: 606

Description

Due to a problem in the Quartus® II software version 12.1 and earlier, you may see this internal error when synthesizing a design targeting a Cyclone® V device with Physical Synthesis enabled and the Arria® V device libraries are not installed.

Resolution

To work around this problem, install the Arria V device libraries or disable Physical Synthesis.

This problem is fixed beginning with the Quartus II software version 12.1 SP1.

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• Internal Error: Sub-system: DEV, File: /quartus/ddb/dev//dev_basic_info.cpp, Line: 606