phalcon/cphalcon · error · Phalcon\Mvc\Micro\Exceptions\MissingCollectionMainHandler

Collection requires a main handler

Error message

Collection requires a main handler

What it means

Error "Collection requires a main handler" thrown in phalcon/cphalcon.

Source

Thrown at phalcon/Mvc/Micro.zep:784

    {
        return this->addRoute("add", routePattern, handler);
    }

    /**
     * Mounts a collection of handlers
     */
    public function mount(<CollectionInterface> collection) -> <static>
    {
        var mainHandler, handlers, lazyHandler, prefix, methods, pattern,
            subHandler, realHandler, prefixedPattern, route, handler, name;

        /**
         * Get the main handler
         */
        let mainHandler = collection->getHandler();

        if unlikely empty mainHandler {
            throw new MissingCollectionMainHandler();
        }

        let handlers = collection->getHandlers();

        if unlikely empty handlers {
            throw new NoHandlersToMount();
        }

        /**
         * Check if handler is lazy
         */
        if collection->isLazy() {
            let lazyHandler = new LazyLoader(mainHandler);
        } else {
            let lazyHandler = mainHandler;
        }

        /**

View on GitHub (pinned to b7419de9cd)

When it happens

Trigger: Thrown at phalcon/Mvc/Micro.zep:784 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of phalcon/cphalcon@b7419de9cd (2026-08-21). Data as JSON: /api/errors/3360791e8cf63220. Report an issue: GitHub.