Merge remote-tracking branch 'origin/master'

svc/product_series_auto_scheduler.go

@@ -104,7 +104,8 @@ func productSeriesFallbackAutoCreateEnabled() bool {
 func productSeriesFallbackCode() string {
 	code := strings.TrimSpace(os.Getenv("PRODUCT_SERIES_FALLBACK_SERIES_CODE"))
 	if code == "" {
-		code = "1-"
+		// In this installation, the default series code is "1" (not "1-").
+		code = "1"
 	}
 	return code
 }