diff --git a/ui/component/claimPreview/view.jsx b/ui/component/claimPreview/view.jsx
index 89edc23d6..68349c139 100644
--- a/ui/component/claimPreview/view.jsx
+++ b/ui/component/claimPreview/view.jsx
@@ -5,7 +5,7 @@ import { NavLink, withRouter } from 'react-router-dom';
 import { isEmpty } from 'util/object';
 import { lazyImport } from 'util/lazyImport';
 import classnames from 'classnames';
-import { parseURI, isURIEqual } from 'util/lbryURI';
+import { isURIEqual, isURIValid } from 'util/lbryURI';
 import * as COLLECTIONS_CONSTS from 'constants/collections';
 import { formatLbryUrlForWeb } from 'util/url';
 import { formatClaimPreviewTitle } from 'util/formatAriaLabel';
@@ -180,15 +180,8 @@ const ClaimPreview = forwardRef<any, {}>((props: Props, ref: any) => {
       </span>
     );
   }, [channelSubCount]);
-  let isValid = false;
-  if (uri) {
-    try {
-      parseURI(uri);
-      isValid = true;
-    } catch (e) {
-      isValid = false;
-    }
-  }
+  const isValid = uri && isURIValid(uri);
+
   // $FlowFixMe
   const isPlayable =
     claim &&
diff --git a/ui/component/claimTilesDiscover/view.jsx b/ui/component/claimTilesDiscover/view.jsx
index 351f8cf07..359800565 100644
--- a/ui/component/claimTilesDiscover/view.jsx
+++ b/ui/component/claimTilesDiscover/view.jsx
@@ -8,6 +8,7 @@ import usePrevious from 'effects/use-previous';
 
 type SearchOptions = {
   page_size: number,
+  page: number,
   no_totals: boolean,
   any_tags: Array<string>,
   channel_ids: Array<string>,
diff --git a/ui/component/collectionEdit/view.jsx b/ui/component/collectionEdit/view.jsx
index c835caed2..9a0fa3b98 100644
--- a/ui/component/collectionEdit/view.jsx
+++ b/ui/component/collectionEdit/view.jsx
@@ -249,7 +249,7 @@ function CollectionForm(props: Props) {
     let nameError;
     if (!name && name !== undefined) {
       nameError = __('A name is required for your url');
-    } else if (!isNameValid(name, false)) {
+    } else if (!isNameValid(name)) {
       nameError = INVALID_NAME_ERROR;
     }
 
diff --git a/ui/component/commentMenuList/view.jsx b/ui/component/commentMenuList/view.jsx
index da1b7b3b7..66170f6ef 100644
--- a/ui/component/commentMenuList/view.jsx
+++ b/ui/component/commentMenuList/view.jsx
@@ -94,7 +94,7 @@ function CommentMenuList(props: Props) {
   function assignAsModerator() {
     if (activeChannelClaim && authorUri) {
       const { channelName, channelClaimId } = parseURI(authorUri);
-      commentModAddDelegate(channelClaimId, channelName, activeChannelClaim);
+      if (channelName && channelClaimId) commentModAddDelegate(channelClaimId, channelName, activeChannelClaim);
     }
   }
 
diff --git a/ui/component/notificationContentChannelMenu/view.jsx b/ui/component/notificationContentChannelMenu/view.jsx
index de4484571..963b87aa7 100644
--- a/ui/component/notificationContentChannelMenu/view.jsx
+++ b/ui/component/notificationContentChannelMenu/view.jsx
@@ -14,8 +14,9 @@ type Props = {
 
 export default function NotificationContentChannelMenu(props: Props) {
   const { uri, notificationsDisabled, doToast, doChannelSubscribe } = props;
-  const { claimName } = parseURI(uri);
-
+  let claimName;
+  const { claimName: name } = parseURI(uri);
+  claimName = name || '';
   function handleClick() {
     doChannelSubscribe({
       uri,
diff --git a/ui/component/publishFormErrors/view.jsx b/ui/component/publishFormErrors/view.jsx
index bcefce7d2..7f4de6312 100644
--- a/ui/component/publishFormErrors/view.jsx
+++ b/ui/component/publishFormErrors/view.jsx
@@ -43,7 +43,7 @@ function PublishFormErrors(props: Props) {
       {waitForFile && <div>{__('Choose a replay file, or select None')}</div>}
       {!title && <div>{__('A title is required')}</div>}
       {!name && <div>{__('A URL is required')}</div>}
-      {!isNameValid(name, false) && INVALID_NAME_ERROR}
+      {name && !isNameValid(name) && INVALID_NAME_ERROR}
       {!bid && <div>{__('A deposit amount is required')}</div>}
       {bidError && <div>{__('Please check your deposit amount.')}</div>}
       {isUploadingThumbnail && <div>{__('Please wait for thumbnail to finish uploading')}</div>}
diff --git a/ui/component/repostCreate/view.jsx b/ui/component/repostCreate/view.jsx
index 935418a12..e8ccc9fb1 100644
--- a/ui/component/repostCreate/view.jsx
+++ b/ui/component/repostCreate/view.jsx
@@ -165,7 +165,7 @@ function RepostCreate(props: Props) {
   let repostNameError;
   if (!enteredRepostName) {
     repostNameError = __('A name is required');
-  } else if (!isNameValid(enteredRepostName, false)) {
+  } else if (!isNameValid(enteredRepostName)) {
     repostNameError = INVALID_NAME_ERROR;
   } else if (!available) {
     repostNameError = __('You already have a claim with this name.');
@@ -178,7 +178,7 @@ function RepostCreate(props: Props) {
   }
 
   React.useEffect(() => {
-    if (enteredRepostName && isNameValid(enteredRepostName, false)) {
+    if (enteredRepostName && isNameValid(enteredRepostName)) {
       doCheckPublishNameAvailability(enteredRepostName).then((r) => setAvailable(r));
     }
   }, [enteredRepostName, doCheckPublishNameAvailability]);
@@ -262,14 +262,14 @@ function RepostCreate(props: Props) {
     } else if (entered) {
       try {
         const { claimName } = parseURI(entered);
-        return `/${claimName}`;
+        return claimName ? `/${claimName}` : '/';
       } catch (e) {
         return '/';
       }
     } else if (passed) {
       try {
         const { claimName } = parseURI(passed);
-        return `/${claimName}`;
+        return claimName ? `/${claimName}` : '/';
       } catch (e) {
         return '/';
       }
diff --git a/ui/redux/actions/claims.js b/ui/redux/actions/claims.js
index d97309e33..76f390fcd 100644
--- a/ui/redux/actions/claims.js
+++ b/ui/redux/actions/claims.js
@@ -605,7 +605,7 @@ export function doFetchCollectionListMine(page: number = 1, pageSize: number = 9
 
 export function doClaimSearch(
   options: {
-    page_size: number,
+    page_size?: number,
     page: number,
     no_totals?: boolean,
     any_tags?: Array<string>,
diff --git a/ui/redux/selectors/claims.js b/ui/redux/selectors/claims.js
index 4e0f02960..725a5c0cc 100644
--- a/ui/redux/selectors/claims.js
+++ b/ui/redux/selectors/claims.js
@@ -1,5 +1,5 @@
 // @flow
-import { normalizeURI, parseURI } from 'util/lbryURI';
+import { normalizeURI, parseURI, isURIValid } from 'util/lbryURI';
 import { selectSupportsByOutpoint } from 'redux/selectors/wallet';
 import { createSelector } from 'reselect';
 import { isClaimNsfw, filterClaims } from 'util/claim';
@@ -76,11 +76,7 @@ export const makeSelectClaimForClaimId = (claimId: string) => createSelector(sel
 
 export const makeSelectClaimForUri = (uri: string, returnRepost: boolean = true) =>
   createSelector(selectClaimIdsByUri, selectClaimsById, (byUri, byId) => {
-    let validUri;
-    try {
-      parseURI(uri);
-      validUri = true;
-    } catch (e) {}
+    const validUri = isURIValid(uri);
 
     if (validUri && byUri) {
       const claimId = uri && byUri[normalizeURI(uri)];
@@ -154,9 +150,7 @@ export const makeSelectClaimIsMine = (rawUri: string) => {
   } catch (e) {}
 
   return createSelector(selectClaimsByUri, selectMyActiveClaims, (claims, myClaims) => {
-    try {
-      parseURI(uri);
-    } catch (e) {
+    if (!isURIValid(uri)) {
       return false;
     }