1 files changed, 2 insertions, 1 deletions

diff --git a/src/cuchaz/enigma/gui/GuiController.java b/src/cuchaz/enigma/gui/GuiController.java
index bbefe60..098e065 100644
--- a/src/cuchaz/enigma/gui/GuiController.java
+++ b/src/cuchaz/enigma/gui/GuiController.java
@@ -270,7 +270,7 @@ public class GuiController
                 ClassEntry obfClassEntry = obfReference.getClassEntry().getOuterClassEntry();
                 if( !m_deobfuscator.isObfuscatedIdentifier( obfClassEntry ) )
                 {
-                        throw new IllegalArgumentException( "Entry must be in the jar!" );
+                        throw new IllegalArgumentException( "Obfuscated class " + obfClassEntry + " was not found in the jar!" );
                 }
                 if( m_currentObfClass == null || !m_currentObfClass.equals( obfClassEntry ) )
                 {
@@ -354,6 +354,7 @@ public class GuiController
                                 if( sourceTree == null )
                                 {
                                         // decompilation of this class is not supported
+                                        m_gui.setSource("Unable to find class: " + classEntry);
                                         return;
                                 }
                                 String source = m_deobfuscator.getSource( sourceTree );