{"id":"71de6414ac63e0b0","repo":"gofiber/fiber","slug":"binder-map-destination-is-nil-and-cannot-be-initi","errorCode":null,"errorMessage":"binder: map destination is nil and cannot be initialized","messagePattern":"binder: map destination is nil and cannot be initialized","errorType":"exception","errorClass":"ErrMapNilDestination","httpStatus":null,"severity":"error","filePath":"binder/binder.go","lineNumber":21,"sourceCode":"import (\n\t\"errors\"\n\t\"sync\"\n)\n\nconst (\n\tbindingURI        = \"uri\"\n\tbindingForm       = \"form\"\n\tbindingQuery      = \"query\"\n\tbindingHeader     = \"header\"\n\tbindingRespHeader = \"respHeader\"\n\tbindingCookie     = \"cookie\"\n)\n\n// Binder errors\nvar (\n\tErrSuitableContentNotFound = errors.New(\"binder: suitable content not found to parse body\")\n\tErrMapNotConvertible       = errors.New(\"binder: map is not convertible to map[string]string or map[string][]string\")\n\tErrMapNilDestination       = errors.New(\"binder: map destination is nil and cannot be initialized\")\n\tErrInvalidDestinationValue = errors.New(\"binder: invalid destination value\")\n\tErrUnmatchedBrackets       = errors.New(\"unmatched brackets\")\n)\n\nvar errPoolTypeAssertion = errors.New(\"failed to type-assert to T\")\n\nvar HeaderBinderPool = sync.Pool{\n\tNew: func() any {\n\t\treturn &HeaderBinding{}\n\t},\n}\n\nvar RespHeaderBinderPool = sync.Pool{\n\tNew: func() any {\n\t\treturn &RespHeaderBinding{}\n\t},\n}\n","sourceCodeStart":3,"sourceCodeEnd":39,"githubUrl":"https://github.com/gofiber/fiber/blob/9a4c7e57fe0b080a04235d28a4b0d2b4b353d58c/binder/binder.go#L3-L39","documentation":"Error \"binder: map destination is nil and cannot be initialized\" thrown in gofiber/fiber.","triggerScenarios":"Thrown at binder/binder.go:21 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"analyzedSha":"9a4c7e57fe0b080a04235d28a4b0d2b4b353d58c","analyzedAt":"2026-08-04T21:44:03.395Z","schemaVersion":2}