{"record":{"id":"3360791e8cf63220","repo":"phalcon/cphalcon","slug":"collection-requires-a-main-handler","errorCode":null,"errorMessage":"Collection requires a main handler","messagePattern":"Collection requires a main handler","errorType":"exception","errorClass":"Phalcon\\Mvc\\Micro\\Exceptions\\MissingCollectionMainHandler","httpStatus":null,"severity":"error","filePath":"phalcon/Mvc/Micro.zep","lineNumber":784,"sourceCode":"    {\n        return this->addRoute(\"add\", routePattern, handler);\n    }\n\n    /**\n     * Mounts a collection of handlers\n     */\n    public function mount(<CollectionInterface> collection) -> <static>\n    {\n        var mainHandler, handlers, lazyHandler, prefix, methods, pattern,\n            subHandler, realHandler, prefixedPattern, route, handler, name;\n\n        /**\n         * Get the main handler\n         */\n        let mainHandler = collection->getHandler();\n\n        if unlikely empty mainHandler {\n            throw new MissingCollectionMainHandler();\n        }\n\n        let handlers = collection->getHandlers();\n\n        if unlikely empty handlers {\n            throw new NoHandlersToMount();\n        }\n\n        /**\n         * Check if handler is lazy\n         */\n        if collection->isLazy() {\n            let lazyHandler = new LazyLoader(mainHandler);\n        } else {\n            let lazyHandler = mainHandler;\n        }\n\n        /**","sourceCodeStart":766,"sourceCodeEnd":802,"githubUrl":"https://github.com/phalcon/cphalcon/blob/b7419de9cd0a8a3f48441ead84c9f8415d463e25/phalcon/Mvc/Micro.zep#L766-L802","documentation":"Error \"Collection requires a main handler\" thrown in phalcon/cphalcon.","triggerScenarios":"Thrown at phalcon/Mvc/Micro.zep:784 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"b7419de9cd0a8a3f48441ead84c9f8415d463e25","analyzedAt":"2026-08-21T06:21:18.811Z","schemaVersion":2},"datasetVersion":"2026-08-21T11:28:35.574Z"}