Error map
Missing required argument Terraform: Error: Missing required argument — The argument "ami" is required, but no definition was found
Terraform · layer 6, Platform & cloud
Centre: this error. First ring: errors it is linked with (8). Outer ring: what those are linked with. Colours show the layer of a request each error belongs to. Click any dot to re-centre the map on it; hover to follow its connections. The centre dot opens the error page.
Directly related (8)
Terraform: Error: No value for required variable — The root module input variable "region" is not set, and has no default value
A variable without a default wasn't supplied.
Terraform: Error: Invalid AWS Region: us-east-3 / Error: configuring Terraform AWS Provider: validating provider credentials: operation error STS: GetCallerIdentity
The `region` is invalid/unavailable, or the provider can't reach AWS endpoints to validate credentials.
Terraform: Error: Unsupported argument — An argument named "enable_foo" is not expected here
A resource/module block uses an argument the provider/module schema doesn't have.
Terraform: Error: Invalid character — This character is not used within the language / Error: Argument or block definition required
The `.tf` file has HCL syntax errors (stray characters, bad quotes, missing braces/commas).
Terraform: Error: Unsupported block type — Blocks of type "versioning" are not expected here
A nested block doesn't exist in that resource's schema (renamed, removed or misplaced).
Terraform: Error: Invalid value for variable — "instance_type" must be a t3 type / The given value is not suitable for var.x declared at variables.tf:1,1-17: string required
A variable value failed its type or `validation` block.
Terraform: Error: No valid credential sources found — failed to refresh cached credentials, no EC2 IMDS role found / Error: configuring Terraform AWS Provider: no valid credential sources
The AWS provider found no credentials (env vars, shared config, SSO, role, instance profile).
Terraform: Error: Duplicate resource "aws_s3_bucket" configuration — A aws_s3_bucket resource named "logs" was already declared at main.tf:1
The same resource, variable, output or provider is declared twice in the module.
Two steps away (17)
Terraform: Error: Invalid function argument — Invalid value for "list" parameter: list of string required / Call to function "lookup" failed
A built-in function got a wrong type/value (empty list, missing key, wrong type).
Terraform: Error: creating EC2 Instance: UnauthorizedOperation: You are not authorized to perform this operation. User: arn:aws:iam::123:user/ci is not authorized to perform: ec2:RunInstances
The IAM identity used by Terraform lacks a permission needed for that resource.
Terraform: Error: building AzureRM Client: obtaining subscription ID / Please run 'az login' to setup account
The AzureRM provider can't find Azure credentials or a subscription.
S3 PermanentRedirect: The bucket you are attempting to access must be addressed using the specified endpoint
The request went to the wrong S3 region/endpoint for that bucket.
InvalidKeyPair.NotFound: The key pair 'x' does not exist
The key pair name you passed doesn’t exist in that region (key pairs are regional).
InvalidAMIID.NotFound: The image id '[ami-xxxx]' does not exist
The AMI ID isn’t available in this region/account — AMI IDs are regional and private AMIs must be shared.
Terraform: Error: Unsupported attribute — This object has no argument, nested block, or exported attribute named "foo"
An expression references an attribute that the resource/data source/module output doesn't expose.
Dockerfile parse error line N: unknown instruction
A line in the Dockerfile doesn’t start with a valid instruction — usually a broken line continuation or a typo.
Terraform: Error: Inconsistent conditional result types — The true and false result expressions must have consistent types
A `cond ? a : b` expression returns values of different types/shapes.
Terraform: Error: Failed to query available provider packages — Could not retrieve the list of available versions for provider hashicorp/aws: no available releases match the given constraints
`terraform init` can't find a provider version matching your constraints (or can't reach the registry).
DynamoDB ValidationException: One or more parameter values were invalid: Missing the key pk in the item / The provided key element does not match the schema
The item or key doesn’t match the table’s primary key schema — wrong attribute name, wrong type, or missing sort key.
strict decoding error: unknown field "spec.template.spec.containers[0].ports[0].protocl"
The manifest contains a field the API schema doesn’t know — a typo, wrong indentation, or a field from another API version.
error converting YAML to JSON: yaml: line 12: did not find expected key
The manifest isn’t valid YAML — usually indentation, a tab character, or an unquoted special character.
AWS: ExpiredToken — The security token included in the request is expired
Temporary AWS credentials (STS/SSO/assumed role) have expired.
AWS: Unable to locate credentials / Could not load credentials from any providers
The AWS CLI/SDK found no credentials in any place it looks — env vars, profile files, SSO cache or an instance/task role.
AWS: SignatureDoesNotMatch / InvalidClientTokenId — the request signature we calculated does not match
AWS rejected the request signature — wrong secret key, wrong region, clock skew, or a presigned URL used differently from how it…
Terraform: Error: Reference to undeclared resource / Reference to undeclared input variable
The configuration refers to a resource, data source, variable or module output that isn’t declared in this module.
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Popular: 500403400ORA-009331064Critical errorFileNotFoundException assemblyTypeError