parameter_group_name expects string but receives a list

[horsey]

Error: Error refreshing state: 1 error(s) occurred: * module.production.module.db.module.db_instance.var.parameter_group_name: variable parameter_group_name in module production.db.db_instance should be type string, got list

Terraform version:
Terraform v0.11.1

• provider.aws v1.5.0

[antonbabenko]

Please check this answer: #28 (comment)

If the problem still persists, share your real piece of code in this issue.

[antonbabenko]

My bad. Issue #31 and #32 were related, and they are now fixed in v1.5.0

[github-actions]

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