diff --git a/src/actions.js b/src/actions.js
index c3b8b30..2168420 100755
--- a/src/actions.js
+++ b/src/actions.js
@@ -1,11 +1,18 @@
 const actions = {}
-const types = new Set()
 
-export { actions, types }
+export { actions }
 
-export const addActions = acts => {
-  Object.keys(acts).forEach(key => {
-    types.add(acts[key])
-    actions[key] = acts[key]
+export const addActions = (...acts) => {
+  acts.forEach(action => {
+    if (actions[action]) {
+      throw new Error(
+        `An React Table action type called ${action} has already been registered!`
+      )
+    }
+    // Action values are formatted this way to discourage
+    // you (the dev) from interacting with them in any way
+    // other than importing `{ actions } from 'react-table'`
+    // and referencing an action via `actions[actionName]`
+    actions[action] = `React Table Action: ${action}`
   })
 }
diff --git a/src/hooks/useTableState.js b/src/hooks/useTableState.js
index 9e33c0c..4c0d3e1 100755
--- a/src/hooks/useTableState.js
+++ b/src/hooks/useTableState.js
@@ -1,6 +1,6 @@
 import React from 'react'
 //
-import { types } from '../actions'
+import { actions } from '../actions'
 
 export const defaultState = {}
 
@@ -32,11 +32,12 @@ export const useTableState = (
   const reducedSetState = React.useCallback(
     (updater, type) => {
       return setState(old => {
-        if (!types.has(type)) {
+        if (!actions[type]) {
           console.info({
+            currentState: old,
             stateUpdaterFn: updater,
             actionType: type,
-            currentState: old,
+            supportedActions: actions,
           })
           throw new Error('Detected an unknown table action! (Details Above)')
         }
diff --git a/src/index.js b/src/index.js
index e6c6fd4..3dc2797 100755
--- a/src/index.js
+++ b/src/index.js
@@ -1,5 +1,5 @@
-import * as utils from './utils';
-export { utils };
+import * as utils from './utils'
+export { utils }
 export { useTable } from './hooks/useTable'
 export { useColumns } from './hooks/useColumns'
 export { useRows } from './hooks/useRows'
diff --git a/src/plugin-hooks/useExpanded.js b/src/plugin-hooks/useExpanded.js
index f26e9f6..8fa8e0e 100755
--- a/src/plugin-hooks/useExpanded.js
+++ b/src/plugin-hooks/useExpanded.js
@@ -7,10 +7,7 @@ import { defaultState } from '../hooks/useTableState'
 
 defaultState.expanded = {}
 
-addActions({
-  toggleExpanded: '__toggleExpanded__',
-  useExpanded: '__useExpanded__',
-})
+addActions('toggleExpanded', 'useExpanded')
 
 const propTypes = {
   manualExpandedKey: PropTypes.string,
diff --git a/src/plugin-hooks/useFilters.js b/src/plugin-hooks/useFilters.js
index e197884..7bd492c 100755
--- a/src/plugin-hooks/useFilters.js
+++ b/src/plugin-hooks/useFilters.js
@@ -7,10 +7,7 @@ import { addActions, actions } from '../actions'
 import { defaultState } from '../hooks/useTableState'
 
 defaultState.filters = {}
-addActions({
-  setFilter: '__setFilter__',
-  setAllFilters: '__setAllFilters__',
-})
+addActions('setFilter', 'setAllFilters')
 
 const propTypes = {
   // General
diff --git a/src/plugin-hooks/useGroupBy.js b/src/plugin-hooks/useGroupBy.js
index 487ab7f..5db93b5 100755
--- a/src/plugin-hooks/useGroupBy.js
+++ b/src/plugin-hooks/useGroupBy.js
@@ -13,9 +13,7 @@ import {
 
 defaultState.groupBy = []
 
-addActions({
-  toggleGroupBy: '__toggleGroupBy__',
-})
+addActions('toggleGroupBy')
 
 const propTypes = {
   // General
diff --git a/src/plugin-hooks/usePagination.js b/src/plugin-hooks/usePagination.js
index fc5c233..16f9e7d 100755
--- a/src/plugin-hooks/usePagination.js
+++ b/src/plugin-hooks/usePagination.js
@@ -8,10 +8,7 @@ import { defaultState } from '../hooks/useTableState'
 defaultState.pageSize = 10
 defaultState.pageIndex = 0
 
-addActions({
-  pageChange: '__pageChange__',
-  pageSizeChange: '__pageSizeChange__',
-})
+addActions('pageChange', 'pageSizeChange')
 
 const propTypes = {
   // General
diff --git a/src/plugin-hooks/useSortBy.js b/src/plugin-hooks/useSortBy.js
index 8f0b10c..0b46078 100755
--- a/src/plugin-hooks/useSortBy.js
+++ b/src/plugin-hooks/useSortBy.js
@@ -14,9 +14,7 @@ import {
 
 defaultState.sortBy = []
 
-addActions({
-  sortByChange: '__sortByChange__',
-})
+addActions('sortByChange')
 
 const propTypes = {
   // General