Your system must meet the minimum specifications to run ERA plug-ins,
Audacity: 2.2.2 or higher
Windows: Windows 10 (1909 or higher)
macOS: 10.14.6, 10.15.7, 11 (Big Sur) * Intel and M1 Processors
1)You may install Audacity 2.2.2 or higher. We strongly recommend version 2.2.2 as it's the most stable version of the editor.
ERA plug-ins come in various plug-in formats. Please, select one that is supported by your host.
Below is a list of some of the known issues of ERA plug-ins in Audacity:
1) The performance of the Real-time Processing Display is laggy. The plug-ins which have a Real-time Processing Display are De-Esser, Plosive Remover, Voice Leveler, Mouth DeClicker and the Pro versions.
2) The Voice autoEQ might crash on playback pause/stop.
Solution: Close and reopen Audacity
3) The AU format (OSX) only) of the ERA plug-ins is not supported. More details here.
For further information, consult the Known Issues section.