--- a/Project.st	Thu May 24 21:09:26 2018 +0200
+++ b/Project.st	Thu May 24 21:09:36 2018 +0200
@@ -1,3 +1,5 @@
+"{ Encoding: utf8 }"
+
 "
  COPYRIGHT (c) 1993 by Claus Gittinger
 	      All Rights Reserved
@@ -731,9 +733,11 @@
                 cls removeFromSystem.
             ].
         ] ifFalse:[
-            self error:'non-symbol class name' mayProceed:true.
+            self proceedableError:'non-symbol class name'.
         ].
     ].
+
+    "Modified: / 24-05-2018 / 21:04:47 / Claus Gittinger"
 !
 
 removeFromSystem
@@ -1284,7 +1288,7 @@
             cls isLoaded ifFalse:[^ false].
         ] ifFalse:[
             aClassOrClassName isBehavior ifFalse:[
-                self error:'class is neither a string or a behavior' mayProceed:true.
+                self proceedableError:'class is neither a string or a behavior'.
                 ^ false
             ].
         ]
@@ -1302,6 +1306,7 @@
     "
 
     "Modified: / 12-10-2006 / 20:11:04 / cg"
+    "Modified: / 24-05-2018 / 21:04:39 / Claus Gittinger"
 !
 
 methodInfo