AWS documentation states that the maximum number of manual DB instance/cluster snapshots can be up to 100.
However, by default, all AWS accounts have a limit of 50 manual snapshots that can exist in a single AWS account at any time. If you exceed it, you’ll receive an error.
Cannot create more than 50 manual snapshots
You can take any of the following actions to fix this problem:
- Remove a few of your hand-crafted RDS snapshots.
- Request a higher RDS snapshot limit by contacting AWS support.