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Altera_Forum
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8 years ago

Quartus 17.1 What does this error message mean?

Problem Details Error: Internal Error: Sub-system: PGME, File: /quartus/pgm/pgme/pgme_algorithm.cpp, Line: 1109 Illegal tap position Stack Trace: 0x4f38e: PGME_ALGORITHM::get_id_index ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

Quit Quartus and trash the db and incremental_db folders for your project. You'll need to recompile, but this might fix the issue.

You may also need to reinstall USB Blaster drivers.