diff --git a/XtractQuery/Logic.Business.Level5ScriptManagement/Logic.Business.Level5ScriptManagement/Level5ScriptManagementWorkflow.cs b/XtractQuery/Logic.Business.Level5ScriptManagement/Logic.Business.Level5ScriptManagement/Level5ScriptManagementWorkflow.cs
index fec0369..5fd03d2 100644
--- a/XtractQuery/Logic.Business.Level5ScriptManagement/Logic.Business.Level5ScriptManagement/Level5ScriptManagementWorkflow.cs
+++ b/XtractQuery/Logic.Business.Level5ScriptManagement/Logic.Business.Level5ScriptManagement/Level5ScriptManagementWorkflow.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -82,7 +83,8 @@ private void ExtractScripts()
             PopulateStringHashCache();
 
             // Collect files to extract
-            string[] files = Directory.Exists(_config.FilePath) ?
+            bool isDirectory = Directory.Exists(_config.FilePath);
+            string[] files = isDirectory ?
                 Directory.GetFiles(_config.FilePath, "*.xq", SearchOption.AllDirectories) :
                 new[] { _config.FilePath };
 
@@ -97,7 +99,10 @@ private void ExtractScripts()
                 }
                 catch (Exception e)
                 {
-                    Console.WriteLine($"Error ({e.Message})");
+                    string relativePath = isDirectory ?
+                        Path.GetRelativePath(_config.FilePath, file) :
+                        Path.GetFileName(file);
+                    Console.WriteLine($"Could not extract {relativePath}: {GetInnermostException(e).Message}");
                 }
             }
         }
@@ -128,7 +133,8 @@ private void ExtractScript(string filePath)
         private void CreateScripts()
         {
             // Collect files to extract
-            string[] files = Directory.Exists(_config.FilePath) ?
+            bool isDirectory = Directory.Exists(_config.FilePath);
+            string[] files = isDirectory ?
                 Directory.GetFiles(_config.FilePath, "*.txt", SearchOption.AllDirectories) :
                 new[] { _config.FilePath };
 
@@ -143,7 +149,10 @@ private void CreateScripts()
                 }
                 catch (Exception e)
                 {
-                    Console.WriteLine($"Error ({e.Message})");
+                    string relativePath = isDirectory ?
+                        Path.GetRelativePath(_config.FilePath, file) :
+                        Path.GetFileName(file);
+                    Console.WriteLine($"Could not compile {relativePath}: {GetInnermostException(e).Message}");
                 }
             }
         }
@@ -173,7 +182,8 @@ private void CreateScript(string filePath)
         private void DecompressScripts()
         {
             // Collect files to extract
-            string[] files = Directory.Exists(_config.FilePath) ?
+            bool isDirectory = Directory.Exists(_config.FilePath);
+            string[] files = isDirectory ?
                 Directory.GetFiles(_config.FilePath, "*.xq", SearchOption.AllDirectories) :
                 new[] { _config.FilePath };
 
@@ -188,7 +198,10 @@ private void DecompressScripts()
                 }
                 catch (Exception e)
                 {
-                    Console.WriteLine($"Error ({e.Message})");
+                    string relativePath = isDirectory ?
+                        Path.GetRelativePath(_config.FilePath, file) :
+                        Path.GetFileName(file);
+                    Console.WriteLine($"Could not decompress {relativePath}: {GetInnermostException(e).Message}");
                 }
             }
         }
@@ -266,5 +279,13 @@ private void PrintHelp()
             Console.WriteLine($"\tExtract any script to human readable text: {Environment.ProcessPath} -o e -f Path/To/File.xq");
             Console.WriteLine($"\tCreate a xq32 script from human readable text: {Environment.ProcessPath} -o c -t xq32 -f Path/To/File.txt");
         }
+
+        private Exception GetInnermostException(Exception e)
+        {
+            while (e.InnerException != null)
+                e = e.InnerException;
+
+            return e;
+        }
     }
 }
diff --git a/XtractQuery/Logic.Domain.CodeAnalysis/Logic.Domain.CodeAnalysis.Contract/Exceptions/LexerException.cs b/XtractQuery/Logic.Domain.CodeAnalysis/Logic.Domain.CodeAnalysis.Contract/Exceptions/LexerException.cs
index 6431da8..21f8fae 100644
--- a/XtractQuery/Logic.Domain.CodeAnalysis/Logic.Domain.CodeAnalysis.Contract/Exceptions/LexerException.cs
+++ b/XtractQuery/Logic.Domain.CodeAnalysis/Logic.Domain.CodeAnalysis.Contract/Exceptions/LexerException.cs
@@ -5,6 +5,9 @@ namespace Logic.Domain.CodeAnalysis.Contract.Exceptions
     [Serializable]
     public class LexerException : Exception
     {
+        public int Line { get; }
+        public int Column { get; }
+
         public LexerException()
         {
         }
@@ -17,6 +20,12 @@ public LexerException(string message, Exception inner) : base(message, inner)
         {
         }
 
+        public LexerException(string message, int line, int column) : base(message)
+        {
+            Line = line;
+            Column = column;
+        }
+
         protected LexerException(
             SerializationInfo info,
             StreamingContext context) : base(info, context)
diff --git a/XtractQuery/Logic.Domain.CodeAnalysis/Logic.Domain.CodeAnalysis.Contract/Level5/Exceptions/Level5ScriptParserException.cs b/XtractQuery/Logic.Domain.CodeAnalysis/Logic.Domain.CodeAnalysis.Contract/Level5/Exceptions/Level5ScriptParserException.cs
index e59ec16..8ee29a8 100644
--- a/XtractQuery/Logic.Domain.CodeAnalysis/Logic.Domain.CodeAnalysis.Contract/Level5/Exceptions/Level5ScriptParserException.cs
+++ b/XtractQuery/Logic.Domain.CodeAnalysis/Logic.Domain.CodeAnalysis.Contract/Level5/Exceptions/Level5ScriptParserException.cs
@@ -9,6 +9,9 @@ namespace Logic.Domain.CodeAnalysis.Contract.Level5.Exceptions
 {
     public class Level5ScriptParserException:Exception
     {
+        public int Line { get; }
+        public int Column { get; }
+
         public Level5ScriptParserException()
         {
         }
@@ -21,6 +24,12 @@ public Level5ScriptParserException(string message, Exception inner) : base(messa
         {
         }
 
+        public Level5ScriptParserException(string message, int line, int column) : base(message)
+        {
+            Line = line;
+            Column = column;
+        }
+
         protected Level5ScriptParserException(
             SerializationInfo info,
             StreamingContext context) : base(info, context)
diff --git a/XtractQuery/Logic.Domain.CodeAnalysis/Logic.Domain.CodeAnalysis/Level5/Level5ScriptLexer.cs b/XtractQuery/Logic.Domain.CodeAnalysis/Logic.Domain.CodeAnalysis/Level5/Level5ScriptLexer.cs
index ae34ea9..84bdf7f 100644
--- a/XtractQuery/Logic.Domain.CodeAnalysis/Logic.Domain.CodeAnalysis/Level5/Level5ScriptLexer.cs
+++ b/XtractQuery/Logic.Domain.CodeAnalysis/Logic.Domain.CodeAnalysis/Level5/Level5ScriptLexer.cs
@@ -4,6 +4,7 @@
 using System.Text;
 using System.Threading.Tasks;
 using Logic.Domain.CodeAnalysis.Contract;
+using Logic.Domain.CodeAnalysis.Contract.Exceptions;
 using Logic.Domain.CodeAnalysis.Contract.Level5.DataClasses;
 using Logic.Domain.CodeAnalysis.Level5.InternalContract.DataClasses;
 
@@ -634,7 +635,7 @@ private Exception CreateException(string message, string? expected = null)
             if (!string.IsNullOrEmpty(expected))
                 message = $"{message} (Expected \"{expected}\")";
 
-            throw new InvalidOperationException(message);
+            throw new LexerException(message, Line, Column);
         }
     }
 }
diff --git a/XtractQuery/Logic.Domain.CodeAnalysis/Logic.Domain.CodeAnalysis/Level5/Level5ScriptParser.cs b/XtractQuery/Logic.Domain.CodeAnalysis/Logic.Domain.CodeAnalysis/Level5/Level5ScriptParser.cs
index faba3a9..25f1be7 100644
--- a/XtractQuery/Logic.Domain.CodeAnalysis/Logic.Domain.CodeAnalysis/Level5/Level5ScriptParser.cs
+++ b/XtractQuery/Logic.Domain.CodeAnalysis/Logic.Domain.CodeAnalysis/Level5/Level5ScriptParser.cs
@@ -7,6 +7,7 @@
 using Logic.Domain.CodeAnalysis.Contract.DataClasses;
 using Logic.Domain.CodeAnalysis.Contract.Level5;
 using Logic.Domain.CodeAnalysis.Contract.Level5.DataClasses;
+using Logic.Domain.CodeAnalysis.Contract.Level5.Exceptions;
 using Logic.Domain.CodeAnalysis.Level5.InternalContract.DataClasses;
 
 namespace Logic.Domain.CodeAnalysis.Level5
@@ -431,7 +432,11 @@ private ExpressionSyntax ParseExpression(IBuffer<Level5SyntaxToken> buffer)
                     left = ParseArrayIndexExpression(buffer, value);
             }
             else
-                left = ParseExpression(buffer);
+                throw CreateException(buffer, "Invalid expression.", SyntaxTokenKind.Variable,
+                    SyntaxTokenKind.StringLiteral,
+                    SyntaxTokenKind.NumericLiteral, SyntaxTokenKind.FloatingNumericLiteral,
+                    SyntaxTokenKind.HashStringLiteral,
+                    SyntaxTokenKind.HashNumericLiteral);
 
             if (HasTokenKind(buffer, SyntaxTokenKind.SwitchKeyword))
                 return ParseSwitchExpression(buffer, left);
@@ -1226,7 +1231,7 @@ private Exception CreateException(string message, int line, int column, params S
                     $"{message} (Expected any of {string.Join(", ", expected)})";
             }
 
-            throw new InvalidOperationException(message);
+            throw new Level5ScriptParserException(message, line, column);
         }
     }
 }