Error in Lucee administrator with Lucee when behind proxy

When behind a proxy, the page shows

Can’t cast String to a value of type [Array]

The first part of “show details” is

lucee.runtime.exp.CasterException: Can’t cast String to a value of type [Array] at lucee.runtime.op.Caster.toArray( at ext_functions_cfm184$cf.udfCall1(/admin/ext.functions.cfm:54) at ext_functions_cfm184$cf.udfCall(/admin/ext.functions.cfm)

This started with and the “applications” page was working with

OS: Windows 10, 2016 and 2019
Java Version: 11.0.20
Tomcat Version: 9.0.79
Lucee Version:

fixed in the RC

3 Likes fixes this issue. Thank you.