diff --git a/app/src/reducers/notificationReducers.ts b/app/src/reducers/notificationReducers.ts
index 788c6b18e6..d6b0c5902c 100644
--- a/app/src/reducers/notificationReducers.ts
+++ b/app/src/reducers/notificationReducers.ts
@@ -46,11 +46,13 @@ export const notifications = (state = initialState, action) => {
 	switch (type) {
 		case CREATE_NOTIFICATION: {
 			const { notification, id } = payload;
+// @ts-expect-error TS(2339): Property 'id' does not exist on type 'never'.
       if (state.notifications.filter(e => e.id === id).length > 0) {
         console.log("Notification with id: " + id + " already exists.")
         return {
           ...state,
           notifications: state.notifications.map((oldNotification) => {
+// @ts-expect-error TS(2339): Property 'id' does not exist on type 'never'.
             if (oldNotification.id === id) {
               return {
                 id: id,
diff --git a/app/src/thunks/eventThunks.ts b/app/src/thunks/eventThunks.ts
index ad6c407f37..e9623e2e72 100644
--- a/app/src/thunks/eventThunks.ts
+++ b/app/src/thunks/eventThunks.ts
@@ -467,8 +467,10 @@ export const postNewEvent = (values, metadataInfo, extendedMetadata) => async (
 
 	// Process bar notification
   var config = {
+    // @ts-expect-error TS(7006): Parameter 'id' implicitly has an 'any' type.
     onUploadProgress: function(progressEvent) {
       var percentCompleted = (progressEvent.loaded * 100) / progressEvent.total;
+      // @ts-expect-error TS(2554): Expected 6 arguments, but got 5.
       dispatch(addNotificationWithId(-42000, "success", "EVENTS_UPLOAD_STARTED", -1, { "progress": percentCompleted.toFixed(2) } ))
       if (percentCompleted >= 100) {
         dispatch(removeNotification(-42000))
diff --git a/app/src/thunks/notificationThunks.ts b/app/src/thunks/notificationThunks.ts
index 451c5acca1..2267a9e601 100644
--- a/app/src/thunks/notificationThunks.ts
+++ b/app/src/thunks/notificationThunks.ts
@@ -11,7 +11,7 @@ import {
 } from "../configs/generalConfig";
 
 // @ts-expect-error TS(7006): Parameter 'dispatch' implicitly has an 'any' type.
-export const addNotification = (type, key, duration, parameter, context, id) => (
+export const addNotification = (type, key, duration, parameter, context, id?) => (
 // @ts-expect-error TS(7006): Parameter 'dispatch' implicitly has an 'any' type.
 	dispatch,
 // @ts-expect-error TS(7006): Parameter 'getState' implicitly has an 'any' type.