Error Messages from Modelsim Starter Edition : # ** Error: ERROR: .\RTL_simulation\adapted\result.vcd(2440): illegal value

Hi,

May I know how was the VCD generated in first place ?

In order to open a waveform using VCD, you need to convert VCD to WLF first.

Refer to KDB

https://www.intel.com/content/www/us/en/programmable/support/support-resources/knowledge-base/solutions/rd07062010_692.html

Thanks,

Arslan