Audio DSP manager does not open

Nothing happens when I click on Audio DSP manager in Audio tab of System settings. It was working with earlier Kodi Krypton beta versions.
I am using adsp.biquad.filters for audio equalization. The EQ is still operating in Kodi Krypton final, however I cannot access the graphical settings menu via Audio DSP manager.

The Audio DSP manager is accessible in Libreelec 7.90.008 but not accessible in Libreelec 7.95.1 and 7.95.2