package org.rundeck.core.auth.access;

import java.util.List;

public class MissingParameter
        extends Exception
{
    private final List<String> parameters;

    public MissingParameter(final List<String> parameters) {
        super("Required parameters were missing: " + String.join(", ", parameters));
        this.parameters = parameters;
    }

    public List<String> getParameters() {
        return parameters;
    }
}
@@ -32,16 +32,46 @@
 ccess;%0A%0A
+import java.util.Collections;%0A
 import j
@@ -188,16 +188,123 @@
 eters;%0A%0A
+    public MissingParameter(String parameter) %7B%0A        this(Collections.singletonList(parameter));%0A    %7D%0A%0A
     publ

Add single String constructor