Broken links issue

I am a junior dev and this is my first time to deploy on Netlify, so please excuse if I don’t fully get it.
My App is deployed and running but once I refresh the page I get this error

Page Not Found

Looks like you’ve followed a broken link or entered a URL that doesn’t exist on this site.
here are the APP link and the build logs
[https://lets-meetup.netlify.app/](http://app link)

Page Not Found

Looks like you’ve followed a broken link or entered a URL that doesn’t exist on this site.

    9:37:54 PM: Build ready to start

9:37:56 PM: build-image version: 3031d4c9e432fd7016f6279fc9ad706f9205d845
9:37:56 PM: build-image tag: v3.3.17
9:37:56 PM: buildbot version: 1f35b3abd6e2bf5230d8edf68072840fdec1513f
9:37:56 PM: Fetching cached dependencies
9:37:56 PM: Failed to fetch cache, continuing with build
9:37:56 PM: Starting to prepare the repo for build
9:37:57 PM: No cached dependencies found. Cloning fresh repo
9:37:57 PM: git clone https://github.com/AssanSav/lets-kari-to-the-next-client
9:37:57 PM: Preparing Git Reference refs/heads/master
9:37:58 PM: Different publish path detected, going to use the one specified in the Netlify configuration file: ‘build’ versus ‘build/’ in the Netlify UI
9:37:58 PM: Starting build script
9:37:59 PM: Installing dependencies
9:37:59 PM: Python version set to 2.7
9:38:00 PM: v12.18.0 is already installed.
9:38:00 PM: Now using node v12.18.0 (npm v6.14.4)
9:38:00 PM: Started restoring cached build plugins
9:38:00 PM: Finished restoring cached build plugins
9:38:01 PM: Attempting ruby version 2.7.1, read from environment
9:38:02 PM: Using ruby version 2.7.1
9:38:02 PM: Using PHP version 5.6
9:38:02 PM: 5.2 is already installed.
9:38:02 PM: Using Swift version 5.2
9:38:02 PM: Started restoring cached node modules
9:38:02 PM: Finished restoring cached node modules
9:38:02 PM: Started restoring cached yarn cache
9:38:02 PM: Finished restoring cached yarn cache
9:38:02 PM: Installing yarn at version 1.22.4
9:38:02 PM: Installing Yarn!
9:38:02 PM: > Downloading tarball…
9:38:02 PM: [1/2]: https://yarnpkg.com/downloads/1.22.4/yarn-v1.22.4.tar.gz --> /tmp/yarn.tar.gz.sfNkurI0NL
9:38:02 PM: % Total % Received % Xferd Average Speed Time Time Time Current
9:38:02 PM: Dload Upload Total Spent Left Speed
9:38:02 PM: 0 0 0 0 0 0 0 0 --:–:-- --:–:-- --:–:-- 0
9:38:02 PM: 100 80 100 80 0 0 259 0 --:–:-- --:–:-- --:–:-- 259
9:38:03 PM: 0 0 0 0 0 0 0 0 --:–:-- --:–:-- --:–:-- 0
9:38:03 PM: 100 93 100 93 0 0 147 0 --:–:-- --:–:-- --:–:-- 547
9:38:03 PM: 100 630 100 630 0 0 689 0 --:–:-- --:–:-- --:–:-- 689
9:38:03 PM: 100 1215k 100 1215k 0 0 914k 0 0:00:01 0:00:01 --:–:-- 914k
9:38:03 PM: [2/2]: https://yarnpkg.com/downloads/1.22.4/yarn-v1.22.4.tar.gz.asc --> /tmp/yarn.tar.gz.sfNkurI0NL.asc
9:38:03 PM: 100 84 100 84 0 0 3087 0 --:–:-- --:–:-- --:–:-- 3087
9:38:04 PM: 100 97 100 97 0 0 1764 0 --:–:-- --:–:-- --:–:-- 1764
9:38:04 PM: 0 0 0 0 0 0 0 0 --:–:-- --:–:-- --:–:-- 0
9:38:04 PM: 100 634 100 634 0 0 7091 0 --:–:-- --:–:-- --:–:-- 619k
9:38:04 PM: 100 1028 100 1028 0 0 8058 0 --:–:-- --:–:-- --:–:-- 8058
9:38:04 PM: > Verifying integrity…
9:38:04 PM: gpg: Signature made Mon 09 Mar 2020 03:52:13 PM UTC using RSA key ID 69475BAA
9:38:04 PM: gpg: Good signature from “Yarn Packaging yarn@dan.cx
9:38:04 PM: gpg: WARNING: This key is not certified with a trusted signature!
9:38:04 PM: gpg: There is no indication that the signature belongs to the owner.
9:38:04 PM: Primary key fingerprint: 72EC F46A 56B4 AD39 C907 BBB7 1646 B01B 86E5 0310
9:38:04 PM: Subkey fingerprint: 6D98 490C 6F1A CDDD 448E 4595 4F77 6793 6947 5BAA
9:38:04 PM: > GPG signature looks good
9:38:04 PM: > Extracting to ~/.yarn…
9:38:04 PM: > Adding to PATH... 9:38:04 PM: > Successfully installed Yarn 1.22.4! Please open another terminal where the `yarn` command will now be available. 9:38:04 PM: Installing NPM modules using Yarn version 1.22.4 9:38:05 PM: yarn install v1.22.4 9:38:05 PM: [1/4] Resolving packages... 9:38:06 PM: [2/4] Fetching packages... 9:38:26 PM: info fsevents@2.1.2: The platform "linux" is incompatible with this module. 9:38:26 PM: info "fsevents@2.1.2" is an optional dependency and failed compatibility check. Excluding it from installation. 9:38:26 PM: info fsevents@1.2.13: The platform "linux" is incompatible with this module. 9:38:26 PM: info "fsevents@1.2.13" is an optional dependency and failed compatibility check. Excluding it from installation. 9:38:26 PM: info fsevents@2.1.3: The platform "linux" is incompatible with this module. 9:38:26 PM: info "fsevents@2.1.3" is an optional dependency and failed compatibility check. Excluding it from installation. 9:38:26 PM: [3/4] Linking dependencies... 9:38:26 PM: warning " > @testing-library/user-event@7.2.1" has unmet peer dependency "@testing-library/dom@>=5". 9:38:26 PM: warning " > bootstrap@4.5.0" has unmet peer dependency "jquery@1.9.1 - 3". 9:38:26 PM: warning " > bootstrap@4.5.0" has unmet peer dependency "popper.js@^1.16.0". 9:38:26 PM: warning "react-scripts > @typescript-eslint/eslint-plugin > tsutils@3.17.1" has unmet peer dependency "typescript@>=2.8.0 || >= 3.2.0-dev || >= 3.3.0-dev || >= 3.4.0-dev || >= 3.5.0-dev || >= 3.6.0-dev || >= 3.6.0-beta || >= 3.7.0-dev || >= 3.7.0-beta". 9:38:38 PM: [4/4] Building fresh packages... 9:38:41 PM: Done in 35.98s. 9:38:41 PM: NPM modules installed using Yarn 9:38:41 PM: Started restoring cached go cache 9:38:41 PM: Finished restoring cached go cache 9:38:41 PM: go version go1.14.4 linux/amd64 9:38:41 PM: go version go1.14.4 linux/amd64 9:38:41 PM: Installing missing commands 9:38:41 PM: Verify run directory 9:38:42 PM: ​ 9:38:42 PM: ┌─────────────────────────────┐ 9:38:42 PM: │ Netlify Build │ 9:38:42 PM: └─────────────────────────────┘ 9:38:42 PM: ​ 9:38:42 PM: ❯ Version 9:38:42 PM: @netlify/build 2.0.10 9:38:42 PM: ​ 9:38:42 PM: ❯ Flags 9:38:42 PM: deployId: 5ef7f472e9ddb3e92603ce43 9:38:42 PM: mode: buildbot 9:38:42 PM: ​ 9:38:42 PM: ❯ Current directory 9:38:42 PM: /opt/build/repo 9:38:42 PM: ​ 9:38:42 PM: ❯ Config file 9:38:42 PM: No config file was defined: using default values. 9:38:42 PM: ​ 9:38:42 PM: ❯ Context 9:38:42 PM: production 9:38:42 PM: ​ 9:38:42 PM: ┌────────────────────────────────┐ 9:38:42 PM: │ 1. Build command from settings │ 9:38:42 PM: └────────────────────────────────┘ 9:38:42 PM: ​ 9:38:42 PM: yarn build
9:38:42 PM: yarn run v1.22.4
9:38:42 PM: $ react-scripts build
9:38:44 PM: Creating an optimized production build…
9:39:05 PM: Compiled successfully.
9:39:05 PM:
9:39:05 PM: File sizes after gzip:
9:39:05 PM: 73.15 KB build/static/js/2.babc2d57.chunk.js
9:39:05 PM: 22.78 KB build/static/css/2.5cf52e95.chunk.css
9:39:05 PM: 7.18 KB build/static/js/main.d93e9dac.chunk.js
9:39:05 PM: 1.37 KB build/static/css/main.013c3a5f.chunk.css
9:39:05 PM: 789 B build/static/js/runtime-main.00178e2d.js
9:39:05 PM: The project was built assuming it is hosted at /.
9:39:05 PM: You can control this with the homepage field in your package.json.
9:39:05 PM: The build folder is ready to be deployed.
9:39:05 PM: You may serve it with a static server:
9:39:05 PM: yarn global add serve
9:39:05 PM: serve -s build
9:39:05 PM: Find out more about deployment here:
9:39:05 PM: bit.ly/CRA-deploy
9:39:05 PM: Done in 22.90s.
9:39:05 PM: ​
9:39:05 PM: (build.command completed in 23.1s)
9:39:05 PM: ​
9:39:05 PM: ┌─────────────────────────────┐
9:39:05 PM: │ Netlify Build Complete │
9:39:05 PM: └─────────────────────────────┘
9:39:05 PM: ​
9:39:05 PM: (Netlify Build completed in 23.1s)
9:39:05 PM: Caching artifacts
9:39:05 PM: Started saving node modules
9:39:05 PM: Finished saving node modules
9:39:05 PM: Started saving build plugins
9:39:05 PM: Finished saving build plugins
9:39:05 PM: Started saving yarn cache
9:39:05 PM: Finished saving yarn cache
9:39:05 PM: Started saving pip cache
9:39:12 PM: Finished saving pip cache
9:39:12 PM: Started saving emacs cask dependencies
9:39:12 PM: Finished saving emacs cask dependencies
9:39:12 PM: Started saving maven dependencies
9:39:12 PM: Finished saving maven dependencies
9:39:12 PM: Started saving boot dependencies
9:39:12 PM: Finished saving boot dependencies
9:39:12 PM: Started saving go dependencies
9:39:12 PM: Finished saving go dependencies
9:39:15 PM: Build script success
9:39:15 PM: Starting to deploy site from ‘build’
9:39:15 PM: Creating deploy tree
9:39:15 PM: Creating deploy upload records
9:39:15 PM: 0 new files to upload
9:39:15 PM: 0 new functions to upload
9:39:15 PM: Starting post processing
9:39:15 PM: Post processing done
9:39:15 PM: Site is live
9:40:06 PM: Finished processing build request in 2m9.499942887s

Hey there! Have you checked out this guide for this issue?