diff --git a/CertReports.Syncfusion/Services/Implementations/FundDataService.cs b/CertReports.Syncfusion/Services/Implementations/FundDataService.cs
index 8226911..d05628b 100644
--- a/CertReports.Syncfusion/Services/Implementations/FundDataService.cs
+++ b/CertReports.Syncfusion/Services/Implementations/FundDataService.cs
@@ -71,17 +71,24 @@ public class FundDataService : IFundDataService
 
     public async Task<string?> FindIsinByAliasIdAsync(string aliasId)
     {
-        await using var conn = new SqlConnection(_connectionString);
-        await conn.OpenAsync();
-        await using var cmd = new SqlCommand("rpt_FindIsinbyAliasID", conn)
+        try
         {
-            CommandType = CommandType.StoredProcedure
-        };
-        cmd.Parameters.AddWithValue("@AliasID", aliasId);
-        await using var r = await cmd.ExecuteReaderAsync();
-        if (!await r.ReadAsync()) return null;
-        var isin = r.GetStringSafe("ISIN");
-        return string.IsNullOrEmpty(isin) ? null : isin;
+            await using var conn = new SqlConnection(_connectionString);
+            await conn.OpenAsync();
+            await using var cmd = new SqlCommand("rpt_FindIsinbyAliasID", conn)
+            {
+                CommandType = CommandType.StoredProcedure
+            };
+            cmd.Parameters.AddWithValue("@AliasID", aliasId);
+            await using var r = await cmd.ExecuteReaderAsync();
+            if (!await r.ReadAsync()) return null;
+            return r.GetStringSafe("ISIN").NullIfEmpty();
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Errore FindIsinByAliasIdAsync per AliasID {AliasId}", aliasId);
+            throw;
+        }
     }
 
     private static FundInfo MapFundInfo(SqlDataReader r) => new()