From f88d399f0f9eaa6f3009d3ff0383ea4e1a1f70d2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Herceg?= <tomas.herceg@riganti.cz>
Date: Fri, 8 Mar 2024 14:42:52 +0100
Subject: [PATCH] Fixed crashing compilation page on OWIN

---
 src/Framework/Framework/Compilation/DotHtmlFileInfo.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Framework/Framework/Compilation/DotHtmlFileInfo.cs b/src/Framework/Framework/Compilation/DotHtmlFileInfo.cs
index c9dee547c3..157d452568 100644
--- a/src/Framework/Framework/Compilation/DotHtmlFileInfo.cs
+++ b/src/Framework/Framework/Compilation/DotHtmlFileInfo.cs
@@ -62,7 +62,7 @@ public sealed record CompilationDiagnosticViewModel(
         )
         {
             public string? SourceLine { get; set; } = SourceLine;
-            public string? SourceLinePrefix => SourceLine?.Remove(ColumnNumber ?? 0);
+            public string? SourceLinePrefix => SourceLine?.Substring(0, ColumnNumber ?? 0);
             public string? SourceLineHighlight =>
                 HighlightLength is {} len ? SourceLine?.Substring(ColumnNumber ?? 0, len)
                                           : SourceLine?.Substring(ColumnNumber ?? 0);