Error: dynamodb item size limit error

Answered by Rafal Wilinski
What's Causing This Error
Usually, this error occurs when the size of an item exceeds the maximum allowed limit of 400 KB.
Solution: Here's How To Resolve It
To resolve this error, you need to reduce the item's size by removing unnecessary attributes, compressing large attribute values, or flattening nested data structures.
Other Common DynamoDB Errors (with Solutions)
- DynamoDB service unavailable
- dynamodb problem function call failed
- Error retrieving DynamoDB table item validation exception
- dynamodb index not updated
- dynamodb property projection cannot be empty
- dynamodb unable to locate property for key attribute
- does not support attribute type arn aws dynamodb
- dynamodb validation error detected
- dynamodb system error cloudwatch
- DynamoDB query is slow
- dynamodb text contents could not be decoded
- dynamodb unable to locate credentials
- moto dynamodb not working
- dynamodb global secondary index does not project
- DynamoDB GetItem no item
Tired of switching accounts and regions? Use Dynobase.
First 7 days are. No credit card needed.
Product Features
DynamoDB Tools
DynamoDB Info
© 2025 Dynobase