Quick Answer A VPC peering connection between these two VPCs already exists (active or pending). You can only have one peering connection between any …
Quick Answer # Create the workspace terraform workspace new production # Or auto-create if it doesn't exist terraform workspace select production …
Quick Answer The Neptune cluster creation failed because of missing or misconfigured dependencies — typically the DB subnet group doesn’t exist, …
Quick Answer # Find what's blocking deletion aws ec2 describe-network-interfaces \ --filters "Name=group-id,Values=sg-0abc1234" \ --query …
Quick Answer An ECR repository with that name already exists in your AWS account and region. Import it with terraform import aws_ecr_repository.app …
Quick Answer # Use try() for safe access value = try(var.subnets[0], null) value = try(var.tags["Environment"], "dev") The Error …
Quick Answer A Cognito user with that username already exists in the user pool. Import the existing user, use a unique username, or delete the …
Quick Answer # Usually succeeds on retry terraform apply # If it keeps failing, reduce parallelism terraform apply -parallelism=5 The Error Error: …
Quick Answer A CloudWatch Log Group with that name already exists. Import it with terraform import aws_cloudwatch_log_group.main /my/log/group, or use …
Quick Answer # Most common fix: regenerate lock file rm .terraform.lock.hcl terraform init # If version constraints conflict terraform init -upgrade …
Quick Answer The script or command in your null_resource provisioner returned a non-zero exit code. Check the script for errors, verify connection …
Quick Answer # 1. Check the module name matches module "networking" { source = "./modules/vpc" } # Use: module.networking.vpc_id (NOT …
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