Export-DbaDacPackage - Stop eating the caller loop when only ExcludeDatabase is given

public/Export-DbaDacPackage.ps1

@@ -165,7 +165,10 @@ function Export-DbaDacPackage {
 
         #check that at least one of the DB selection parameters was specified
         if (!$AllUserDatabases -and !$Database) {
-            Stop-Function -Message "Either -Database or -AllUserDatabases should be specified" -Continue
+            # No -Continue here: this block has no enclosing loop, so the continue would escape the command
+            # and eat an iteration of whatever loop the caller runs in (#10638).
+            Stop-Function -Message "Either -Database or -AllUserDatabases should be specified"
+            return
         }
         #Check Option object types - should have a specific type
         if ($Type -eq 'Dacpac') {

tests/Export-DbaDacPackage.Tests.ps1

@@ -240,4 +240,19 @@ Describe $CommandName -Tag IntegrationTests {
             }
         }
     }
-}
+
+    Context "When only ExcludeDatabase is given" {
+        It "Warns without eating an iteration of the caller's loop" {
+            # The database selection check used to run Stop-Function -Continue in the process block, where no
+            # loop encloses it - the continue escaped the command and consumed an iteration of this very loop,
+            # so the counter stayed at zero (#10638). The check fires before any connection is made.
+            $loopCount = 0
+            foreach ($i in 1..3) {
+                $null = Export-DbaDacPackage -SqlInstance $TestConfig.InstanceSingle -ExcludeDatabase dbatoolsci_none -WarningAction SilentlyContinue
+                $loopCount++
+            }
+            $loopCount | Should -Be 3
+            ($WarnVar -join " ") | Should -BeLike "*Either -Database or -AllUserDatabases should be specified*"
+        }
+    }
+}