From caea810908f82a503f21dcf21fc843977ad3b01a Mon Sep 17 00:00:00 2001
From: Mark McDowall <mark@mcdowall.ca>
Date: Mon, 7 Aug 2023 18:07:03 -0700
Subject: [PATCH] Fixed: Allow Unknown Language in Custom Format

(cherry picked from commit 65323d5e872cb87b1f3d16c520aef373f4447915)
---
 .../CustomFormats/Specifications/LanguageSpecification.cs       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/NzbDrone.Core/CustomFormats/Specifications/LanguageSpecification.cs b/src/NzbDrone.Core/CustomFormats/Specifications/LanguageSpecification.cs
index 490c985e8ac..ed74b1b45d1 100644
--- a/src/NzbDrone.Core/CustomFormats/Specifications/LanguageSpecification.cs
+++ b/src/NzbDrone.Core/CustomFormats/Specifications/LanguageSpecification.cs
@@ -10,7 +10,7 @@ public class LanguageSpecificationValidator : AbstractValidator<LanguageSpecific
     {
         public LanguageSpecificationValidator()
         {
-            RuleFor(c => c.Value).NotEmpty();
+            RuleFor(c => c.Value).GreaterThanOrEqualTo(0);
             RuleFor(c => c.Value).Custom((value, context) =>
             {
                 if (!Language.All.Any(o => o.Id == value))