From 35947fc1f7a72f8654c9405b14959c23d6f0049f Mon Sep 17 00:00:00 2001
From: Hamid Reza Mohammadi <mohammadi.hr@gmail.com>
Date: Fri, 7 Aug 2026 17:21:20 +0330
Subject: [PATCH] tajik backend fix

---
 .../GanjoorService-Partials/GanjoorService-Transilerate.cs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/RMuseum/Services/Implementation/GanjoorService-Partials/GanjoorService-Transilerate.cs b/RMuseum/Services/Implementation/GanjoorService-Partials/GanjoorService-Transilerate.cs
index 8639b8c6..28ed5972 100644
--- a/RMuseum/Services/Implementation/GanjoorService-Partials/GanjoorService-Transilerate.cs
+++ b/RMuseum/Services/Implementation/GanjoorService-Partials/GanjoorService-Transilerate.cs
@@ -69,8 +69,11 @@ namespace RMuseum.Services.Implementation
             var subCats = await context.GanjoorCategories.AsNoTracking().Where(c => c.ParentId == cat.Id).OrderBy(p => p.Id).ToListAsync();
             foreach (var subCat in subCats)
             {
-                var tajikCat = await context.TajikCats.AsNoTracking().Where(t => t.Id == subCat.Id).SingleAsync();
-                html += $"<p><a href=\"{subCat.FullUrl}\">{LanguageUtils.CleanTextForTransileration(tajikCat.TajikTitle)}</a></p>";
+                var tajikCat = await context.TajikCats.AsNoTracking().Where(t => t.Id == subCat.Id).SingleOrDefaultAsync();
+                if (tajikCat != null)
+                {
+                    html += $"<p><a href=\"{subCat.FullUrl}\">{LanguageUtils.CleanTextForTransileration(tajikCat.TajikTitle)}</a></p>";
+                }
             }
 
             var catPoems = await context.GanjoorPoems.AsNoTracking().Where(p => p.CatId == cat.Id).OrderBy(p => p.Id).ToListAsync();