This solution was built to work with tables that have as a partition key the attribute pk. If your table has other partition key and sort key structure you might face errors writing to the FIFO queue.
Steps to reproduce
Deploy the stack with a table with a partition key different than pk
Location
This issue affects the ddb-migration tool located at: infrastructure_as_code/cdk/ddb-migration/
Note: This issue was migrated from awslabs/amazon-dynamodb-tools#54 as the ddb-migration tool has been moved to this repository. @tebanieo