[Bug]: aws_backup_plan fails to be decoded from state

[bobbywarner]

Terraform Core Version

1.8.2

AWS Provider Version

5.70.0

Affected Resource(s)

• aws_backup_plan

It seems quite coincidental that this PR was merged last week: #33653 🤔

Expected Behavior

Terraform should be able to refresh state for existing aws_backup_plan resources without issues given no version changes were done.

Actual Behavior

Warning: Failed to decode resource from state

Error decoding aws_backup_plan.my_backup from prior state: unsupported attribute "schedule_expression_timezone"

Error: Resource instance managed by newer provider version

The current state of aws_backup_plan.my_backup was created by a newer provider version than is currently selected. Upgrade the aws provider to work with this state.

Relevant Error/Panic Output Snippet

No response

Terraform Configuration Files

N/A

Steps to Reproduce

Instantiate an aws_backup_plan resource and then try to refresh state with it.

Debug Output

No response

Panic Output

No response

Important Factoids

No response

References

No response

Would you like to implement a fix?

No

[github-actions]

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[msg555]

I believe this is because they pulled version 5.71 which had non-backwards compatible changes to the state for aws_backup_plan objects. I think you either need to manually fix your state or wait for 5.72.

#39724 and #39694 (comment) for some more context

[bobbywarner]

@msg555 So something like this until 5.72 is released?

terraform state rm aws_backup_plan.my_backup ?

[justinretzolk]

Hey @bobbywarner 👋 Thank you for taking the time to raise this! As mentioned above, this is likely caused by 5.71.0 having been pulled. The team is in the process of releasing 5.72.0 now though, so I wouldn't bother removing the resource from your state and doing that whole dance, unless you have an urgent need to proceed. Once 5.72.0 is out, you shouldn't encounter any further issues.

[bobbywarner]

I removed the aws_backup_plan via AWS Console, removed the resource from Terraform state and then did a Terraform apply to recreate it successfully. Good to go!

[github-actions]

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