ValidationException: ValidationException: 400 Bad Request
{u'message': u'Item size has exceeded the maximum allowed size', u'__type': u'com.amazon.coral.validate#ValidationException'}

Item size to update has exceeded the maximum allowed size (Service: AmazonDynamoDBv2; Status Code: 400; Error Code: ValidationException; Request ID: XXXXXXXXXXXXXXXXXXXXXXXXXXXX)

Could not write to DynamoDB: ValidationException: ExpressionAttributeValues contains invalid value: Item size has exceeded the maximum allowed size for key :largeAttribute status code: 400, request id: XXXXXXXXXXXXXXXXXXXXXXXXXXXX