In catalina.out I am getting this:
Apr 09, 2021 11:29:35.638 - WARNING: DefaultSpectrumAttributeConfig: could not find class for attribute 0x673000a
What is attribute 0x673000a ?
Release : 20.2
Component : Spectrum Core / SpectroSERVER
From the code base, it is SDN_TenantName. This error can be ignored as it doesn't cause any problem.