Index: trunk/psLib/src/sysUtils/psErrorCodes.dat
===================================================================
--- trunk/psLib/src/sysUtils/psErrorCodes.dat	(revision 1696)
+++ trunk/psLib/src/sysUtils/psErrorCodes.dat	(revision 1713)
@@ -9,7 +9,9 @@
 UNKNOWN                        unknown error
 IO                             I/O error
+LOCATION_INVALID               specified location is unknown
 MEMORY_CORRUPTION              memory corruption detected
 MEMORY_DEREF_USAGE             dereferenced memory still used
-LOCATION_INVALID               specified location is unknown
-BAD_VALUE                      value is out-of-range
-BAD_LENGTH                     string value is too long
+BAD_PARAMETER_VALUE            parameter is out-of-range
+BAD_PARAMETER_NULL             parameter is null
+BAD_PARAMETER_LENGTH           parameter string is too long
+UNEXPECTED_NULL                unexpected NULL found