Editing Terraform module error: InvalidParameterCombination

<code>[[aws rds delete-db-instance]] --db-instance-identifier your_database-1</code>

 An error occurred (InvalidParameterCombination) when calling the [[DeleteDBInstance]] operation: [[FinalDBSnapshotIdentifier]] is required unless [[SkipFinalSnapshot]] is specified.

== Max storage size must be greater than storage size ==
 ╷
 │ [[Error: Error creating DB Instance]]: InvalidParameterCombination: [[Max storage size must be greater than storage size]]
 │ 	status code: 400, request id: cf03ba21-20f6-4b55-b6ec-e56a89dbcbb1
 │
 │   with module.db.module.db_instance.[[aws_db_instance]].this[0],
 │   on ../../modules/db_instance/main.tf line 26, in resource "[[aws_db_instance]]" "this":
 │   26: resource "aws_db_instance" "this" {
 │
 ╵
 Related: <code>[[max_allocated_storage]]</code>

== RDS ==
=== A MonitoringRoleARN value is required if you specify a MonitoringInterval value ===
 ╷
 │ [[Error: Error creating DB Instance]]: [[InvalidParameterCombination]]: A [[MonitoringRoleARN]] value is required if you specify a MonitoringInterval value other than 0.
 │ 	status code: 400, request id: e2d2a148-70c8-44ab-a73e-6ca13d63ad7c
 │
 │   with module.db.module.db_instance.aws_db_instance.this[0],
 │   on ../../modules/db_instance/main.tf line 26, in resource "aws_db_instance" "this":
 │   26: resource "aws_db_instance" "this" {
 │
 ╵

=== Cannot find version 13.1 for aurora-postgresql ===
 ╷
 │ Error: Error creating DB Instance: InvalidParameterCombination: [[Cannot find version]] 13.1 for [[aurora-postgresql]]
 │ 	status code: 400, request id: ca8f076c-6686-4cbd-a6f7-f2c1a2743074
 │
 │   with module.db_aurora.module.db_instance.aws_db_instance.this[0],
 │   on ../../modules/db_instance/main.tf line 26, in resource "aws_db_instance" "this":
 │   26: resource "aws_db_instance" "this" {
 │
 ╵
 Solution: <code>[[dBParameterGroupFamily]]</code>
  <code>[[aws rds describe-db-engine-versions --output text]] | grep [[DBENGINEVERSIONS]]  | grep "[[Aurora PostgreSQL]]"</code>

=== Cannot upgrade [[aurora-postgresql]] from 11.13 to 11.12 ===
 ╷
 │ Error: Failed to modify RDS Cluster (aurora-postgresql): [[InvalidParameterCombination]]: Cannot upgrade [[aurora-postgresql]] from 11.13 to 11.12
 │ 	status code: 400, request id: yyyy9-9efa-4e8d-9a1d-xxxx
 │ 
 │   with aws_rds_cluster.this[0],
 │   on main.tf line 47, in resource "[[aws_rds_cluster]]" "this":
 │   47: resource "[[aws_rds_cluster]]" "this" {
 │ 
 ╵

=== RDS does not support creating a DB instance with the following combination: ===
 │ Error: Error creating DB Instance: InvalidParameterCombination: RDS does not support creating a DB instance with the following combination: 
 DBInstanceClass=[[db.t3.micro]], Engine=[[aurora-postgresql]], [[EngineVersion]]=13.7, [[LicenseModel]]=postgresql-license. For supported combinations of instance class and database engine version, see the documentation.
 │ 	status code: 400, request id: b7614447-937e-4da9-b51e-bed06b1ca07a
 │
 │   with module.db_aurora.module.db_instance.aws_db_instance.this[0],
 │   on ../../modules/db_instance/main.tf line 26, in resource "aws_db_instance" "this":
 │   26: resource "[[aws_db_instance]]" "this" {
 │
 ╵
 Solution: select and instance class supported by aurora-postgresql, [[db.t3.medium]] minimum instead of [[db.t3.micro]]

=== The DB instance and EC2 security group are in different VPCs ===
 ╷
 │ [[Error: error creating RDS cluster]]: InvalidParameterCombination: The [[DB instance]] and [[EC2 security]] group are in different [[VPCs]]. The [[DB instance]] is in vpc-52c0cc2a and the [[EC2 security group]] is in vpc-0d2733220232865db
 │       status code: 400, request id: 5460e4ab-9b51-412a-8e1c-13657632f052
 │
 │   with module.db.aws_rds_cluster.this[0],
 │   on .terraform/modules/yourfile.tf line 46, in resource "[[aws_rds_cluster]]" "this":
 │   46: resource "[[aws_rds_cluster]]" "this" {
 │

== Invalid [[iops]] to storage (GB) ratio ==
 ╷
 │ [[Error: Error creating DB Instance]]: InvalidParameterCombination: [[Invalid iops to storage (GB) ratio]] for engine name aurora-postgresql and storage type aurora: 0.0000
 │ 	status code: 400, request id: 97942c23-5208-4f81-9072-5bb0011ea823
 │
 │   with module.db_aurora.module.db_instance.aws_db_instance.this[0],
 │   on ../../modules/db_instance/main.tf line 26, in resource "aws_db_instance" "this":
 │   26: resource "aws_db_instance" "this" {
 │
 ╵

== Related ==
* <code>[[InvalidVPCNetworkStateFault]]</code>
* <code>[[max_allocated_storage]]</code>
* <code>[[InvalidParameterValue]]</code>

== See also ==
* {{aws_db_instance}}
* {{aws rds}}
* {{AWS VPC}}

[[Category:AWS]]
[[Category:Terraform]]