Index: /issm/trunk-jpl/src/m/solve/WriteData.py
===================================================================
--- /issm/trunk-jpl/src/m/solve/WriteData.py	(revision 17168)
+++ /issm/trunk-jpl/src/m/solve/WriteData.py	(revision 17169)
@@ -202,6 +202,6 @@
 		#first write length of record
 		recordlength=4+4+8*s[0]*s[1]+4+4; #2 integers (32 bits) + the double matrix + code + matrix type
-		if recordlength > 2^31 :
-			raise ValueError('field %s cannot be marshalled because it is larger than 4^31 bytes!' % EnumToString(enum)[1])
+		if recordlength > 2**31 :
+			raise ValueError('field %s cannot be marshalled because it is larger than 4^31 bytes!' % EnumToString(enum)[0])
 
 		fid.write(struct.pack('i',recordlength))  #2 integers (32 bits) + the double matrix + code + matrix type