diff --git a/src/renderer.zig b/src/renderer.zig
index 9550710..bb762b9 100644
--- a/src/renderer.zig
+++ b/src/renderer.zig
@@ -11,36 +11,14 @@ const FilterError = @import("filters.zig").FilterError;
 const parser = @import("parser.zig");
 const TemplateCache = @import("cache.zig").TemplateCache;
 
-pub const RenderError = FilterError || error{
-    OutOfMemory,
+pub const RenderError = error{
+    InvalidCharacter,
     InvalidSyntax,
-    UnknownVariable,
-    UnknownFilter,
-    InvalidTemplate,
-    BlockNotFound,
-    CircularExtends,
-    FileNotFound,
-    AccessDenied,
-    FileTooBig,
-    NoSpaceLeft,
+    OutOfMemory,
+    Overflow,
     Unexpected,
-    UnclosedTag,
-    InvalidAutoescapeArgument,
-    UnclosedVariable,
-    UnclosedBlock,
-    UnclosedComment,
-    InvalidAssignmentSyntax,
-    UnclosedQuoteInAssignment,
-    InvalidForSyntax,
-    UnclosedVerbatim,
-    InvalidUrlSyntax,
-    UnclosedQuoteInUrl,
-    InvalidDebugArgs,
-    InvalidRegroupSyntax,
-    InvalidWidthRatioSyntax,
-    InvalidTemplateTag,
-    InvalidCsrfTokenArgs,
-};
+    UnsupportedExpression,
+} || FilterError || parser.ParserError || std.fs.File.OpenError;
 
 pub const Renderer = struct {
     context: *Context,