Forum Discussion

Anonymous's avatar
Anonymous
7 years ago

Why does vsim occasionally crash with ERROR CODE 4 when using Quartus Prime Lite (no license required)? How can I solve this problem?

PROBLEM: vsim occasionally crashes with error code 4. TRANSCRIPT: FATAL ERROR: Unable to read lock file necessary for use of uncounted nodelocked license. Exiting. SOFTWARE VERSION: ModelS...
HRZ's avatar
HRZ
Icon for Frequent Contributor rankFrequent Contributor
7 years ago

I am not suere about the installer of Quartus Lite but the installers of the Standard and Pro versions come with both Modelsim Free and Paid; you have to specifically install the Free version. Furthermore, Modelsim Free Edition has a line limit of 10,000; maybe you are running into that limit?