GClitematic breaks Realms

[linuzzx]

When I click on Realms, I get Error 500:

Log:

[14:06:31] [MCO Compatability Checker #1/ERROR]: Couldn't connect to realms
net.minecraft.class_4355: Could not connect to Realms: sun.security.validator.ValidatorException: Certificate chaining error
	at Not Enough Crashes deobfuscated stack trace.(1.16.4+build.9) ~[?:?]
	at net.minecraft.client.realms.RealmsClient.execute(RealmsClient:442) ~[?:?]
	at net.minecraft.client.realms.RealmsClient.clientCompatible(RealmsClient:200) ~[?:?]
	at net.minecraft.class_4325$1.run(class_4325.java:530) [intermediary-minecraft-1.16.4-client.jar:?]

PS: I tried running without Not Enough Crashes, same problem