Make reporting errors from reattach.IsProviderReattached more consistent

Author: SarahFrench

internal/command/meta_backend.go

@@ -1704,8 +1704,7 @@ func (m *Meta) stateStore_C_s(c *configs.StateStore, stateStoreHash int, backend
 	} else {
 		isReattached, err := reattach.IsProviderReattached(c.ProviderAddr, os.Getenv("TF_REATTACH_PROVIDERS"))
 		if err != nil {
-			diags = diags.Append(fmt.Errorf("Error determining if the state storage provider is reattached or not. This is a bug in Terraform and should be reported: %w",
-				err))
+			diags = diags.Append(fmt.Errorf("Unable to determine if state storage provider is reattached while initializing state store for the first time. This is a bug in Terraform and should be reported: %w", err))
 			return nil, diags
 		}
 		if isReattached {
@@ -1820,7 +1819,7 @@ func getStateStorageProviderVersion(c *configs.StateStore, locks *depsfile.Locks
 	isBuiltin := c.ProviderAddr.Hostname == addrs.BuiltInProviderHost
 	isReattached, err := reattach.IsProviderReattached(c.ProviderAddr, os.Getenv("TF_REATTACH_PROVIDERS"))
 	if err != nil {
-		diags = diags.Append(err)
+		diags = diags.Append(fmt.Errorf("Unable to determine if state storage provider is reattached while determining the version in use. This is a bug in Terraform and should be reported: %w", err))
 		return nil, diags
 	}
 	if isBuiltin || isReattached {

internal/command/workdir/statestore_config_state.go

@@ -63,7 +63,7 @@ func (s *StateStoreConfigState) Validate() error {
 	// Version information is required if the provider isn't builtin or unmanaged by Terraform
 	isReattached, err := reattach.IsProviderReattached(*s.Provider.Source, os.Getenv("TF_REATTACH_PROVIDERS"))
 	if err != nil {
-		return fmt.Errorf("error determining if state storage provider is reattached: %w", err)
+		return fmt.Errorf("Unable to determine if state storage provider is reattached while validating backend state file contents. This is a bug in Terraform and should be reported: %w", err)
 	}
 	if (s.Provider.Source.Hostname != tfaddr.BuiltInProviderHost) &&
 		!isReattached {