The logs that get created give no additional details. This is the ready-api.log file (sanitized for personal information)
2020-10-28 15:00:27,541 INFO [license] ReadyAPI 3.4.0 (build 6037) started - System properties: {OS=Mac OS X, User name=XXXXX}
2020-10-28 15:00:27,758 INFO [DefaultSoapUICore] ReadyAPI settings were initialized from [XXXXX/.readyapi/readyapi-settings.xml]
2020-10-28 15:00:27,786 INFO [SoapUIExtensionClassLoader] "/Applications/ReadyAPI-3.4.0.app/Contents/Resources/app/bin/ext/sqljdbc42.jar" has been added to the classpath.
2020-10-28 15:00:27,786 INFO [SoapUIExtensionClassLoader] "/Applications/ReadyAPI-3.4.0.app/Contents/Resources/app/bin/ext/postgresql-9.3-1102.jdbc41.jar" has been added to the classpath.
2020-10-28 15:00:27,786 WARN [SoapUIExtensionClassLoader] The path to the custom library is not specified.
2020-10-28 15:00:27,828 INFO [DefaultSoapUICore] 2 JDBC drivers have been registered from the directory bin/ext: [com.microsoft.sqlserver.jdbc.SQLServerDriver, org.postgresql.Driver].
2020-10-28 15:00:28,006 INFO [DefaultSoapUICore] Adding listeners from [/Applications/ReadyAPI-3.4.0.app/Contents/Resources/app/bin/listeners/demo-listeners.xml]
2020-10-28 15:00:28,022 WARN [SoapUIJasperReportManager] The report directory "XXXXX/report_templates/reports" does not exist. The default report directory will be used.
There is no data written to ready-api-errors.log or global-groovy.log