OpenShift Explorer: login with credentials does not work for 4.5

eclipse.buildId=12.16.0.AM1-v20200520-0418-B6414
java.version=11.0.7
java.vendor=AdoptOpenJDK
BootLoader constants: OS=macosx, ARCH=x86_64, WS=cocoa, NL=en_GB
Framework arguments:  -product com.jboss.devstudio.core.product -keyring /Users/jkopriva/.eclipse_keyring
Command-line arguments:  -os macosx -ws cocoa -arch x86_64 -product com.jboss.devstudio.core.product -keyring /Users/jkopriva/.eclipse_keyring

org.jboss.tools.openshift.ui
Error
Wed May 20 09:09:18 CEST 2020
Invalid character: <

java.lang.IllegalArgumentException: Invalid character: <
	at org.jboss.dmr.JSONParserImpl.invalid(JSONParserImpl.java:136)
	at org.jboss.dmr.JSONParser.yyLex(JSONParser.java:596)
	at org.jboss.dmr.JSONParser.yyParse(JSONParser.java:662)
	at org.jboss.dmr.ModelNode.fromJSONString(ModelNode.java:1472)
	at com.openshift.internal.restclient.ApiTypeMapper.getApiGroups(ApiTypeMapper.java:225)
	at com.openshift.internal.restclient.ApiTypeMapper.init(ApiTypeMapper.java:159)
	at com.openshift.internal.restclient.ApiTypeMapper.isSupported(ApiTypeMapper.java:87)
	at com.openshift.internal.restclient.URLBuilder.buildWithNamespaceInPath(URLBuilder.java:148)
	at com.openshift.internal.restclient.URLBuilder.build(URLBuilder.java:135)
	at com.openshift.internal.restclient.DefaultClient.execute(DefaultClient.java:301)
	at com.openshift.internal.restclient.DefaultClient.execute(DefaultClient.java:274)
	at com.openshift.internal.restclient.DefaultClient.execute(DefaultClient.java:242)
	at com.openshift.internal.restclient.DefaultClient.execute(DefaultClient.java:225)
	at com.openshift.internal.restclient.DefaultClient.get(DefaultClient.java:410)
	at com.openshift.internal.restclient.authorization.AuthorizationContext.isAuthorized(AuthorizationContext.java:63)
	at org.jboss.tools.openshift.core.connection.Connection.authorize(Connection.java:240)
	at org.jboss.tools.openshift.core.connection.Connection.connect(Connection.java:229)
	at org.jboss.tools.openshift.internal.common.ui.connection.ConnectionWizardPageModel.connect(ConnectionWizardPageModel.java:300)
	at org.jboss.tools.openshift.internal.common.ui.connection.ConnectionWizardPage$ConnectJob.doRun(ConnectionWizardPage.java:434)
	at org.jboss.tools.openshift.internal.common.core.job.AbstractDelegatingMonitorJob.run(AbstractDelegatingMonitorJob.java:37)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)