ErrLookup › symfony/routing

symfony/routing

Maps an HTTP request to a set of configuration variables · PHP · 267 source files

Analyzed at 83fa223250 on 2026-09-14. 75 documented errors.

Code / MessageTypeSeverityTags
Unable to generate a URL for the named route
exception error php, symfony-routing, route-not-found
Cannot serialize Loader\Configurator\CollectionConfigurator
exception error serialization, unsupported-operation, routing
Parameter " " for route " " must match " " (" " given) to…
validation error symfony, routing, url-generation
Route host " " cannot contain " " as a host parameter.
exception error routing, symfony, invalid-argument, reserved-parameter
Route pattern " " cannot contain " " as a path parameter.
exception error routing, symfony, reserved-parameter, invalid-argument
" " is not a "BackedEnum" class.
exception error symfony, routing, enum
You should either pass a
exception error php, routing, dependency-injection, constructor
Cannot unserialize Symfony\Component\Routing\Route
exception warning routing, security, unserialization, symfony
The Router does not support the
exception error symfony, routing, configuration, invalid-option, argument-error
Cannot use UTF-8 route patterns without setting the "utf8"…
exception error routing, symfony, utf8, configuration
The "type" key for the route definition
exception error symfony, routing, config-validation
The container parameter
exception error php, symfony-routing, env-vars
The " :: ()" method must return a RouteCollection: " "…
exception error routing, php, type-error, symfony
Namespace " " is not a valid PSR-4 prefix.
exception error symfony, routing, psr4, config
A placeholder name must be a string
exception error routing, yaml-config, requirements, symfony
The routing file " " must specify the attribute "package"…
exception error symfony, routing, deprecation, route-alias
Route " " with locale " " is missing a corresponding host…
exception error routing, i18n, host, symfony
File " " not found.
exception error routing, yaml, file-not-found, symfony
Route pattern " " cannot reference variable name " " more…
exception error routing, symfony, duplicate-variable, invalid-pattern
Method " " not found on " " when importing routing resource…
exception error symfony, routing, object-loader, bad-method-call
The routing file " " must specify the attribute "version"…
exception error symfony, routing, deprecation, route-alias
Invalid resource " " passed to the route loader: use the…
exception error symfony, routing, object-loader, argument-format
Cannot unserialize Symfony\Component\Routing\CompiledRoute
exception error php, routing, unserialization, cache
Invalid characters found in deprecation template.
validation error php, symfony-di, validation
Parameters for route
validation error symfony, routing, url-generation
Route " " with locale " " is missing a corresponding prefix…
exception error routing, i18n, prefix, symfony
This is not a local file
exception error routing, yaml, file-loading, symfony
The file " " does not contain valid YAML
exception error routing, yaml, parse-error, symfony
Cannot use UTF-8 route requirements without setting the…
exception error routing, symfony, utf8, regex-requirements
The routing file " " must not specify other keys than…
exception error symfony, routing, config-validation, route-alias
The Router does not support the following options
exception error symfony, routing, configuration, invalid-option
A placeholder name must be a string
exception error routing, php-attributes, validation
Unable to use expressions as the Symfony ExpressionLanguage…
exception error routing, missing-dependency, expression-language, symfony
Cannot serialize Loader\Configurator\ImportConfigurator
exception error routing, serialization, bad-method-call, symfony
The file " " must contain a YAML array.
exception error routing, yaml, config, symfony
Variable name " " cannot start with a digit in route…
exception error routing, symfony, variable-naming, invalid-identifier
Variable name " " cannot be longer than characters in route…
exception error routing, symfony, variable-naming, length-limit
Symfony\Component\Routing\Route cannot contain objects, but
exception error routing, serialization, dumper, symfony
Routing requirement for
exception error routing, regex, validation, symfony
The container parameter
exception error php, symfony-routing, type-mismatch
Collection " " is missing prefixes for locale(s) " ".
exception error routing, i18n, localized-routes
The definition of " " in " " must be an array.
exception error routing, config-validation, yaml-config, symfony
The deprecation template must contain the "%alias_id%"…
validation error php, symfony-di, template
" :: " is not a case of " ".
exception error php, routing, enum, requirements
Cannot mix UTF-8 requirements with non-UTF-8 pattern
exception error routing, symfony, utf8, encoding
The " ()" method must not be called.
exception error symfony, routing, loader
The routing file " " must not specify both the "controller"…
exception error symfony, routing, config-validation
Route " " is missing routes for locale(s) " ".
exception error routing, i18n, localized-routes, symfony
Route to " " is missing paths for locale(s) " ".
exception error routing, i18n, localized-routes
Cannot mix UTF-8 requirement with non-UTF-8 charset for…
exception error routing, symfony, utf8, encoding, regex-requirements
Using "%% %%" is not allowed in routing configuration.
exception error php, symfony-routing, env-vars
The return value in config file
exception error symfony, routing, php-config
The routing file " " must not specify both the "stateless"…
exception error symfony, routing, config-validation
A placeholder name must be a string
exception error routing, php-attributes, validation
Route aliases cannot be used on non-invokable class
validation error symfony, routing, attributes
Target route " " for alias " " does not exist.
exception error php, symfony-routing, alias
The routing file " " contains unsupported keys for " ": "…
exception error routing, config-validation, schema, symfony
Case must be a "BackedEnum" instance
exception error php, routing, enum, requirements
The routing file " " must not specify both the "resource"…
exception error routing, config-validation, mutually-exclusive, symfony
You must define a "path" for the route
exception error symfony, routing, config-validation
Attributes from class
exception error php, routing, loader, attributes, abstract-class
The routing file " " must not specify both the "firewall"…
exception error symfony, routing, config-validation
Ambiguous redirection settings, use the "path" or "route"…
exception error php, routing, redirect, configuration
Cannot unserialize Loader\Configurator\ImportConfigurator
exception error routing, unserialization, bad-method-call, symfony
Collection " " with locale " " is missing a corresponding…
exception error routing, i18n, localized-routes
The Tokenizer extension is required for the routing…
exception critical php-extension, environment, tokenizer
Route to " " with locale " " is missing a corresponding…
exception error routing, i18n, localized-routes
Route alias " " can not reference itself.
exception error php, routing, alias, route-collection
Class " " does not exist.
exception error php, routing, loader, attributes, autoload
The file " " does not contain PHP code. Did you forget to…
exception error php, file-content, routing
The parameter "path" or "route" is required to configure…
exception error php, routing, redirect, configuration
The router " " cannot be warmed up because it does not…
exception error php, routing, cache-warming, symfony-kernel
Cannot unserialize…
exception error serialization, unserialize, routing
Default "_query" must be an array of query parameters for…
validation error php, symfony-routing, config
Parameter "_query" must be an array of query parameters.
validation error php, symfony-routing, parameters