JAL-1355

[jalview.git] / src / jalview / io / AlignFile.java

diff --git a/src/jalview/io/AlignFile.java b/src/jalview/io/AlignFile.java
index c3c86d6..f73e250 100755 (executable)
--- a/src/jalview/io/AlignFile.java
+++ b/src/jalview/io/AlignFile.java
@@ -24,6 +24,7 @@ import jalview.datamodel.Alignment;
 import jalview.datamodel.AlignmentAnnotation;
 import jalview.datamodel.Sequence;
 import jalview.datamodel.SequenceI;
+import jalview.util.MessageManager;
 
 import java.io.IOException;
 import java.util.Enumeration;
@@ -196,8 +197,7 @@ public abstract class AlignFile extends FileParse
   {
     if (key == null)
     {
-      throw new Error(
-              "Implementation error: Cannot have null alignment property key.");
+      throw new Error(MessageManager.getString("error.implementation_error_cannot_have_null_alignment"));
     }
     if (value == null)
     {