Common DynamoDB Errors
(and Solutions)

Common DynamoDB Errors is a compilation of some of the most common Amazon DynamoDB errors and how to fix them.

• ValidationException: Invalid KeyConditionExpression: Attribute name is a reserved keyword;
• ExpressionAttributeValues contains invalid value: One or more parameter values were invalid: An AttributeValue may not contain an empty string
• Error ValidationException: One or more parameter values were invalid: Type mismatch for key X expected: S actual: M