phalcon/cphalcon · error · Phalcon\Mvc\Model\Exceptions\MissingModelClassName

You should provide model class name for {paramKey} parameter

Error message

You should provide model class name for {paramKey} parameter

What it means

Error "You should provide model class name for {paramKey} parameter" thrown in phalcon/cphalcon.

Source

Thrown at phalcon/Mvc/Model/Binder.zep:229

            let boundModel = null;
            let paramValue = params[paramKey];

            if className == Model::class {
                if realClasses == null {
                    if handler instanceof BindModelInterface {
                        let handlerClass = get_class(handler);
                        let realClasses = {handlerClass}::getModelName();
                    } elseif handler instanceof BindableInterface {
                        let realClasses = handler->getModelName();
                    } else {
                        throw new HandlerMustImplementBindable();
                    }
                }

                if typeof realClasses == "array" {
                    if unlikely !fetch className, realClasses[paramKey] {
                        throw new MissingModelClassName(paramKey);
                    }

                    let boundModel = this->findBoundModel(paramValue, className);
                } elseif typeof realClasses == "string" {
                    let className = realClasses;
                    let boundModel = this->findBoundModel(paramValue, className);
                } else {
                    throw new InvalidGetModelNameReturn();
                }
            } elseif is_subclass_of(className, Model::class) {
                let boundModel = this->findBoundModel(paramValue, className);
            }

            if boundModel != null {
                let this->originalValues[paramKey] = paramValue;
                let params[paramKey] = boundModel;
                let this->boundModels[paramKey] = boundModel;
                let paramsCache[paramKey] = className;

View on GitHub (pinned to b7419de9cd)

When it happens

Trigger: Thrown at phalcon/Mvc/Model/Binder.zep:229 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/ec63c9802a30c488. Report an issue: GitHub.