[jsgui3-html] DEPRECATED: "FormField" is deprecated. Use "Form_Field" instead. This will be removed in v1.0.0.
[jsgui3-html] DEPRECATED: "PropertyEditor" is deprecated. Use "Property_Editor" instead. This will be removed in v1.0.0.
Error in parse recurse: TypeError: Cannot read properties of undefined (reading '__is_active')
    at C:\Users\james\Documents\repos\jsgui3-html\html-core\parse-mount.js:346:51
    at Default_Handler.callback (C:\Users\james\Documents\repos\jsgui3-html\html-core\parse-mount.js:288:17)
    at Default_Handler.on_complete (C:\Users\james\Documents\repos\jsgui3-html\html-core\html_parser.js:331:33)
    at Html_Parser.parse_complete (C:\Users\james\Documents\repos\jsgui3-html\html-core\html_parser.js:346:72)
    at parse (C:\Users\james\Documents\repos\jsgui3-html\html-core\parse-mount.js:297:12)
    at C:\Users\james\Documents\repos\jsgui3-html\html-core\parse-mount.js:330:9
    at new Promise (<anonymous>)
    at Evented_Class.parse_mount (C:\Users\james\Documents\repos\jsgui3-html\html-core\parse-mount.js:313:12)
    at compose (C:\Users\james\Documents\repos\jsgui3-html\controls\organised\0-core\0-basic\1-compositional\toggle-button.js:51:41)
    at new Toggle_Button (C:\Users\james\Documents\repos\jsgui3-html\controls\organised\0-core\0-basic\1-compositional\toggle-button.js:52:13)
C:\Users\james\Documents\repos\jsgui3-html\html-core\parse-mount.js:346
                const is_active_context = context.__is_active;
                                                  ^

TypeError: Cannot read properties of undefined (reading '__is_active')
    at C:\Users\james\Documents\repos\jsgui3-html\html-core\parse-mount.js:346:51
    at Default_Handler.callback (C:\Users\james\Documents\repos\jsgui3-html\html-core\parse-mount.js:288:17)
    at Default_Handler.on_complete (C:\Users\james\Documents\repos\jsgui3-html\html-core\html_parser.js:331:33)
    at Html_Parser.parse_complete (C:\Users\james\Documents\repos\jsgui3-html\html-core\html_parser.js:346:72)
    at parse (C:\Users\james\Documents\repos\jsgui3-html\html-core\parse-mount.js:297:12)
    at C:\Users\james\Documents\repos\jsgui3-html\html-core\parse-mount.js:330:9
    at new Promise (<anonymous>)
    at Evented_Class.parse_mount (C:\Users\james\Documents\repos\jsgui3-html\html-core\parse-mount.js:313:12)
    at compose (C:\Users\james\Documents\repos\jsgui3-html\controls\organised\0-core\0-basic\1-compositional\toggle-button.js:51:41)
    at new Toggle_Button (C:\Users\james\Documents\repos\jsgui3-html\controls\organised\0-core\0-basic\1-compositional\toggle-button.js:52:13)

Node.js v25.2.1