diff --git a/pacmanager/core/admin.py b/pacmanager/core/admin.py
index bf2da82..ba27116 100644
--- a/pacmanager/core/admin.py
+++ b/pacmanager/core/admin.py
@@ -16,7 +16,7 @@ class CorporationAdmin(admin.ModelAdmin):
 class KeyAdmin(admin.ModelAdmin):
     list_display = ('keyid', 'corporation', 'mask', 'active', 'created', 'update')
     list_filter = ('corporation', 'active')
-    readonly_fields = ('keyid', 'vcode', 'mask', 'corporation')
+    readonly_fields = ('keyid', 'vcode', 'mask', 'corporation', 'error')
 
 
 class TransactionAdmin(admin.ModelAdmin):
diff --git a/pacmanager/core/migrations/0005_auto__add_field_key_error__del_field_apicache_error.py b/pacmanager/core/migrations/0005_auto__add_field_key_error__del_field_apicache_error.py
new file mode 100644
index 0000000..4701140
--- /dev/null
+++ b/pacmanager/core/migrations/0005_auto__add_field_key_error__del_field_apicache_error.py
@@ -0,0 +1,126 @@
+# -*- coding: utf-8 -*-
+import datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+        # Adding field 'Key.error'
+        db.add_column('core_key', 'error',
+                      self.gf('django.db.models.fields.CharField')(max_length=512, null=True),
+                      keep_default=False)
+
+        # Deleting field 'APICache.error'
+        db.delete_column('core_apicache', 'error')
+
+    def backwards(self, orm):
+        # Deleting field 'Key.error'
+        db.delete_column('core_key', 'error')
+
+        # Adding field 'APICache.error'
+        db.add_column('core_apicache', 'error',
+                      self.gf('django.db.models.fields.CharField')(max_length=512, null=True),
+                      keep_default=False)
+
+    models = {
+        'auth.group': {
+            'Meta': {'object_name': 'Group'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
+            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
+        },
+        'auth.permission': {
+            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
+            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        },
+        'auth.user': {
+            'Meta': {'object_name': 'User'},
+            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
+            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
+            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
+            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
+        },
+        'contenttypes.contenttype': {
+            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
+            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        'core.apicache': {
+            'Meta': {'object_name': 'APICache'},
+            'cache_until': ('django.db.models.fields.DateTimeField', [], {}),
+            'document': ('django.db.models.fields.TextField', [], {}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'key': ('django.db.models.fields.CharField', [], {'max_length': '40'})
+        },
+        'core.character': {
+            'Meta': {'object_name': 'Character'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255'})
+        },
+        'core.corporation': {
+            'Meta': {'object_name': 'Corporation'},
+            'balance': ('django.db.models.fields.DecimalField', [], {'default': '0', 'max_digits': '25', 'decimal_places': '2'}),
+            'ceo': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'+'", 'to': "orm['core.Character']"}),
+            'contact': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'corporations'", 'null': 'True', 'to': "orm['auth.User']"}),
+            'fixed_value': ('django.db.models.fields.DecimalField', [], {'default': 'None', 'null': 'True', 'max_digits': '25', 'decimal_places': '2', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'last_transaction': ('django.db.models.fields.BigIntegerField', [], {'default': '0'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'payment_id': ('django.db.models.fields.CharField', [], {'max_length': '36'}),
+            'tax_rate': ('django.db.models.fields.PositiveIntegerField', [], {'default': '0'})
+        },
+        'core.key': {
+            'Meta': {'object_name': 'Key'},
+            'active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'corporation': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'keys'", 'to': "orm['core.Corporation']"}),
+            'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'error': ('django.db.models.fields.CharField', [], {'max_length': '512', 'null': 'True'}),
+            'keyid': ('django.db.models.fields.BigIntegerField', [], {'primary_key': 'True'}),
+            'mask': ('django.db.models.fields.BigIntegerField', [], {}),
+            'update': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}),
+            'vcode': ('django.db.models.fields.CharField', [], {'max_length': '64'})
+        },
+        'core.monthtotal': {
+            'Meta': {'ordering': "['-year', '-month']", 'object_name': 'MonthTotal'},
+            'charged': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'corporation': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'totals'", 'to': "orm['core.Corporation']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'month': ('django.db.models.fields.PositiveIntegerField', [], {}),
+            'tax': ('django.db.models.fields.DecimalField', [], {'default': '0', 'max_digits': '25', 'decimal_places': '2'}),
+            'year': ('django.db.models.fields.PositiveIntegerField', [], {})
+        },
+        'core.setting': {
+            'Meta': {'object_name': 'Setting'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'key': ('django.db.models.fields.CharField', [], {'max_length': '32'}),
+            'value': ('django.db.models.fields.CharField', [], {'max_length': '200'})
+        },
+        'core.transaction': {
+            'Meta': {'ordering': "['-date']", 'object_name': 'Transaction'},
+            'comment': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'corporation': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'transactions'", 'to': "orm['core.Corporation']"}),
+            'date': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'type': ('django.db.models.fields.PositiveIntegerField', [], {}),
+            'value': ('django.db.models.fields.DecimalField', [], {'max_digits': '25', 'decimal_places': '2'})
+        }
+    }
+
+    complete_apps = ['core']
\ No newline at end of file
diff --git a/pacmanager/core/models.py b/pacmanager/core/models.py
index 16a733a..05b4fef 100644
--- a/pacmanager/core/models.py
+++ b/pacmanager/core/models.py
@@ -113,6 +113,7 @@ class Key(models.Model):
     
     created = models.DateTimeField('Created Date/Time', auto_now_add=True)
     update = models.DateTimeField('Last Update Date/Time', auto_now=True)
+    error = models.CharField('API Error', blank=False, null=True, max_length=512)
 
     @staticmethod
     def check_access_bit(accessmask, bit):
@@ -156,7 +157,6 @@ class APICache(models.Model):
     key = models.CharField('Cache Key', blank=False, max_length=40)
     cache_until = models.DateTimeField('Cached Until', blank=False)
     document = models.TextField('Document')
-    error = models.CharField('API Error', blank=False, null=True, max_length=512)
 
     class DjangoCacheHandler(object):