serverless/serverless · error · AppSyncValidationError

${error.path}: ${error.message}

Error message

${error.path}: ${error.message}

What it means

Error "${error.path}: ${error.message}" thrown in serverless/serverless.

Source

Thrown at packages/serverless/lib/plugins/aws/appsync/validation.js:885

    },
  },
  required: ['name', 'authentication'],
  additionalProperties: {
    not: true,
    errorMessage: 'invalid (unknown) property',
  },
}

const ajv = new Ajv({ allErrors: true, allowUnionTypes: true })
ajvErrors(ajv)
addFormats(ajv)

const validator = ajv.compile(appSyncSchema)

export const validateConfig = (data) => {
  const isValid = validator(data)
  if (isValid === false && validator.errors) {
    throw new AppSyncValidationError(
      validator.errors
        .filter((error) => !['if', 'oneOf', 'anyOf'].includes(error.keyword))
        .map((error) => {
          return {
            path: error.instancePath,
            message: error.message || 'unknown error',
          }
        }),
    )
  }

  return isValid
}

export class AppSyncValidationError extends Error {
  constructor(validationErrors) {
    super(
      validationErrors

View on GitHub (pinned to b9d7ea51c8)

Solutions

1. Fix the AppSync configuration value at the reported path according to the validation message.

When it happens

Trigger: Thrown at packages/serverless/lib/plugins/aws/appsync/validation.js:885 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of serverless/serverless@b9d7ea51c8 (2026-08-13). Data as JSON: /api/errors/6f5cd592b34e8c9f. Report an issue: GitHub.