when i try terraform plan exe, it give me the following result:

Error: Invalid provider configuration
│
│ Provider “registry.terraform.io/hashicorp/aws” requires explicit configuration. Add a provider block to the root module and configure the provider’s required arguments as
│ described in the provider documentation.
│
╵
╷
│ Error: No valid credential sources found
│
│ with provider[“registry.terraform.io/hashicorp/aws”],
│ on line 0:
│ (source code not available)
│
│ Please see https://registry.terraform.io/providers/hashicorp/aws
│ for more information about providing credentials.
│
│ Error: failed to refresh cached credentials, no EC2 IMDS role found, operation error ec2imds: GetMetadata, exceeded maximum number of attempts, 3, request send failed, Get
│ “http://169.254.169.254/latest/meta-data/iam/security-credentials/”: dial tcp 169.254.169.254:80: connectex: A socket operation was attempted to an unreachable network.

I have been working with that provider configuration without any problem and without making any changes I get this error

I have simply launched a terraform plan, I have been launching previous terraform plans without errors and without changing configuration and now gives me this error