Index: trunk/grails-app/domain/InventoryItem.groovy
===================================================================
--- trunk/grails-app/domain/InventoryItem.groovy	(revision 918)
+++ trunk/grails-app/domain/InventoryItem.groovy	(revision 919)
@@ -11,5 +11,5 @@
     BigDecimal estimatedUnitPriceAmount
     Currency estimatedUnitPriceCurrency
-    String suppliersPartNumber
+    String suppliersPartNumber = ""
     Integer unitsInStock = 0
     Integer reorderPoint = 0
@@ -24,6 +24,6 @@
 
     static hasMany = [spareFor: Asset,
-                                    inventoryMovements: InventoryMovement,
-                                    alternateSuppliers: Supplier]
+                        inventoryMovements: InventoryMovement,
+                        alternateSuppliers: Supplier]
 
 //     static belongsTo = []
@@ -46,5 +46,5 @@
         estimatedUnitPriceAmount(nullable:true, max: new BigDecimal(1000000000000))
         estimatedUnitPriceCurrency(nullable:true)
-        suppliersPartNumber(blank:true, nullable:true, maxSize:50)
+        suppliersPartNumber(blank:true, maxSize:50)
         preferredSupplier(nullable:true)
     }