diff --git a/app/imports/ui/creature/character/CharacterSheet.vue b/app/imports/ui/creature/character/CharacterSheet.vue
index 0b4870f0..e0af7187 100644
--- a/app/imports/ui/creature/character/CharacterSheet.vue
+++ b/app/imports/ui/creature/character/CharacterSheet.vue
@@ -1,4 +1,4 @@
-if<template>
+<template>
   <div class="character-sheet fill-height">
     <v-fade-transition mode="out-in">
       <div
diff --git a/app/imports/ui/creature/character/characterSheetTabs/StatsTab.vue b/app/imports/ui/creature/character/characterSheetTabs/StatsTab.vue
index 53f98146..803ec1e4 100644
--- a/app/imports/ui/creature/character/characterSheetTabs/StatsTab.vue
+++ b/app/imports/ui/creature/character/characterSheetTabs/StatsTab.vue
@@ -2,6 +2,11 @@
   <div
     class="stats-tab ma-2"
   >
+    <character-errors
+      class="mx-2 mt-4"
+      :creature-id="creatureId"
+    />
+
     <health-bar-card-container :creature-id="creatureId" />
 
     <column-layout>
@@ -369,7 +374,8 @@
   import ToggleCard from '/imports/ui/properties/components/toggles/ToggleCard.vue';
   import doCastSpell from '/imports/api/engine/actions/doCastSpell.js';
   import {snackbar} from '/imports/ui/components/snackbars/SnackbarQueue.js';
-
+  import CharacterErrors from '/imports/ui/creature/character/errors/CharacterErrors.vue';
+  
   const getProperties = function(creature, filter, options = {
     sort: {order: 1}
   }){
@@ -413,6 +419,7 @@
 			SpellSlotListTile,
       ActionCard,
       ToggleCard,
+      CharacterErrors,
 		},
 		props: {
 			creatureId: {
diff --git a/app/imports/ui/creature/character/errors/CharacterErrors.vue b/app/imports/ui/creature/character/errors/CharacterErrors.vue
new file mode 100644
index 00000000..eec78814
--- /dev/null
+++ b/app/imports/ui/creature/character/errors/CharacterErrors.vue
@@ -0,0 +1,60 @@
+<template>
+  <div
+    v-if="creature && creature.computeErrors"
+    class="character-sheet-errors"
+  >
+    <template v-for="(error, index) in creature.computeErrors">
+      <dependency-loop-error
+        v-if="error.type === 'dependencyLoop'"
+        :key="index + 'dependencyLoopError'"
+        :model="error"
+      />
+      <v-alert
+        v-else
+        :key="index + 'otherError'"
+        outlined
+        dense
+        type="error"
+      >
+        {{ error.type }}
+      </v-alert>
+    </template>
+  </div>
+</template>
+
+<script lang="js">
+import Creatures from '/imports/api/creature/creatures/Creatures.js';
+import DependencyLoopError from '/imports/ui/creature/character/errors/DependencyLoopError.vue';
+
+export default {
+  components: {
+    DependencyLoopError,
+  },
+  props: {
+    creatureId: {
+      type: String,
+      default: undefined,
+    }
+  },
+  meteor: {
+    creature() {
+      if (!this.creatureId) return;
+      return Creatures.findOne(this.creatureId, {fields: {computeErrors: 1}});
+    }
+  },
+  computed: {
+    errors() {
+      if (!this.creature || !this.creature.computeErrors) return;
+      return this.creature.computeErrors.map(error => {
+        error.text = error.type;
+        if (error.type === 'dependencyLoop') {
+          error.text = 'Dependency Loop Detected';
+        }
+      });
+    }
+  },
+}
+</script>
+
+<style>
+</style>
diff --git a/app/imports/ui/creature/character/errors/DependencyLoopError.vue b/app/imports/ui/creature/character/errors/DependencyLoopError.vue
new file mode 100644
index 00000000..8e7a45e8
--- /dev/null
+++ b/app/imports/ui/creature/character/errors/DependencyLoopError.vue
@@ -0,0 +1,95 @@
+<template>
+  <v-alert
+    v-if="model"
+    outlined
+    dense
+    type="warning"
+    class="dependency-loop-error"
+  >
+    <p>
+      The character contains a dependency loop.
+    </p>
+    <p>
+      A set of properties may have been calculated incorrectly, because they form an infinite loop:
+    </p>
+    <div class="d-flex align-center flex-wrap">
+      <template
+        v-for="(prop, index) in loopProperties"
+      >
+        <v-icon
+          v-if="index !== 0"
+          :key="index"
+        >
+          mdi-chevron-right
+        </v-icon>
+        <a
+          v-if="prop.type"
+          :key="index + 'link'"
+          :data-id="`breadcrumb-${prop._id}`"
+          @click="click(prop._id)"
+        >
+          <tree-node-view
+            :model="prop"
+            class="breadcrumb-tree-node-view"
+          />
+        </a>
+        <span
+          v-else
+          :key="index + 'variable'"
+          style="font-family: monospace !important;"
+        >
+          {{ prop.name }} {{ prop.path }}
+        </span>
+      </template>
+    </div>
+  </v-alert>
+</template>
+
+<script lang="js">
+import CreatureProperties from '/imports/api/creature/creatureProperties/CreatureProperties.js';
+import TreeNodeView from '/imports/ui/properties/treeNodeViews/TreeNodeView.vue';
+import { reverse } from 'lodash';
+
+export default {
+  components: {
+    TreeNodeView,
+  },
+  props: {
+    model: {
+      type: Object,
+      default: undefined,
+    }
+  },
+  meteor: {
+    loopProperties() {
+      if (!this.model) return;
+      const propAddresses = this.model.details?.nodes || [];
+      const props = propAddresses.map(propAddress => {
+        const [id, ...path] = propAddress.split('.');
+        const prop = CreatureProperties.findOne(id);
+        if (prop) {
+          prop.path = path && path.join('.');
+          if (prop.name && prop.path) prop.name += ` [${prop.path}]`;
+          return prop;
+        } else {
+          return { name: propAddress };
+        }
+      });
+      return reverse(props);
+    }
+  },
+  methods: {
+    click(id){
+      // Otherwise open it as a new dialog
+      this.$store.commit('pushDialogStack', {
+        component: 'creature-property-dialog',
+        elementId: `breadcrumb-${id}`,
+        data: {_id: id},
+      });
+      },
+  }
+}
+</script>
+
+<style>
+</style>
diff --git a/app/imports/ui/creature/creatureProperties/Breadcrumbs.vue b/app/imports/ui/creature/creatureProperties/Breadcrumbs.vue
index abc790c6..cf321a10 100644
--- a/app/imports/ui/creature/creatureProperties/Breadcrumbs.vue
+++ b/app/imports/ui/creature/creatureProperties/Breadcrumbs.vue
@@ -3,7 +3,15 @@
     class="breadcrumbs layout align-center wrap"
     :class="{'no-icons': noIcons}"
   >
+    <span
+      v-if="noLinks"
+    >
+      <v-icon>
+        mdi-account
+      </v-icon>
+    </span>
     <a
+      v-else
       data-id="breadcrumb-root"
       @click="clickRootCreature"
     >
diff --git a/app/imports/ui/properties/viewers/EffectViewer.vue b/app/imports/ui/properties/viewers/EffectViewer.vue
index 772a02fd..ef72d816 100644
--- a/app/imports/ui/properties/viewers/EffectViewer.vue
+++ b/app/imports/ui/properties/viewers/EffectViewer.vue
@@ -101,12 +101,13 @@
 					case 'mul': return 'Multiply';
 					case 'min': return 'Minimum';
 					case 'max': return 'Maximum';
+					case 'set': return 'Set';
 					case 'advantage': return 'Advantage';
 					case 'disadvantage': return 'Disadvantage';
 					case 'passiveAdd': return 'Passive bonus';
 					case 'fail': return 'Always fail';
 					case 'conditional': return 'Conditional benefit' ;
-          default: return '';
+          default: return this.model.operation;
 				}
 			},
 			displayedValue(){