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firebase-app.js not loading shows net::ERR_CONTENT_DECODING_FAILED 200 (OK)

I am trying to make a website with a booking form which stores the data in firestore. But I am getting error on loading firebase. The error is given below.
GET http://localhost:5000/__/firebase/8.2.1/firebase-app.js
net::ERR_CONTENT_DECODING_FAILED 200 (OK)
There are several more errors like:
index.ts:79 TypeError: Cannot read property 'INTERNAL' of undefined
at index.ts:41
at index.ts:79
at firebase-analytics.js:1
at firebase-analytics.js:1 (anonymous) # index.ts:79 (anonymous) # firebase-analytics.js:1 (anonymous) # firebase-analytics.js:1
index.ts:79 Uncaught Error: Cannot instantiate firebase-analytics.js -
be sure to load firebase-app.js first.
at index.ts:79
at firebase-analytics.js:1
at firebase-analytics.js:1 (anonymous) # index.ts:79 (anonymous) # firebase-analytics.js:1 (anonymous) # firebase-analytics.js:1
init.js:1 Uncaught Error: hosting/init-error: Firebase SDK not
detected. You must include it before /__/firebase/init.js
at init.js:1 (anonymous) # init.js:1 index.ts:38 TypeError: Cannot read property 'SDK_VERSION' of undefined
at version.ts:21
at index.ts:38
at firebase-firestore.js:1
at firebase-firestore.js:1 (anonymous) # index.ts:38 (anonymous) # firebase-firestore.js:1 (anonymous) # firebase-firestore.js:1
index.ts:38 Uncaught Error: Cannot instantiate firebase-firestore.js -
be sure to load firebase-app.js first.
at index.ts:38
at firebase-firestore.js:1
at firebase-firestore.js:1
I am initializing firebase with these lines:
<script src="/__/firebase/8.2.1/firebase-app.js"></script>
<!-- TODO: Add SDKs for Firebase products that you want to use
https://firebase.google.com/docs/web/setup#available-libraries -->
<script src="/__/firebase/8.2.1/firebase-analytics.js"></script>
<!-- Initialize Firebase -->
<script src="/__/firebase/init.js"></script>
<script src="/__/firebase/7.14.5/firebase-firestore.js"></script>
What is the reason of it and how can I solve it?
Thanks for any kind of help in advance.

First, you just need to use the same version across all libraries. Mixing v7.14.5 with v8.2.1 is going to cause problems.
Second, this is a known firebase-tools issue and they are saying that updating to 8.2.3 resolves it. So my recommendation is to do the following:
Open a cmd or console window and update firebase-tools to the latest version:
firebase i -g firebase-tools
Update the version number of all of your scripts to 8.2.3.

net::ERR_NAME_NOT_RESOLVED axios

Hey Everyone I keep getting this error when trying to retrieve data from the server side using Axios. I have flushed my dns etc... cleared browser data but nothings working any idea? thank you
GET http://locahost:5000/api/activities net::ERR_NAME_NOT_RESOLVED
dispatchXhrRequest # xhr.js:184
xhrAdapter # xhr.js:13
dispatchRequest # dispatchRequest.js:52
Promise.then (async)
request # Axios.js:61
Axios.<computed> # Axios.js:76
wrap # bind.js:9
getAllActivities # agent.js:19
(anonymous) # App.js:22
commitHookEffectListMount # react-dom.development.js:19731
commitPassiveHookEffects # react-dom.development.js:19769
callCallback # react-dom.development.js:188
invokeGuardedCallbackDev # react-dom.development.js:237
invokeGuardedCallback # react-dom.development.js:292
flushPassiveEffectsImpl # react-dom.development.js:22853
unstable_runWithPriority # scheduler.development.js:653
runWithPriority$1 # react-dom.development.js:11039
flushPassiveEffects # react-dom.development.js:22820
(anonymous) # react-dom.development.js:22699
workLoop # scheduler.development.js:597
flushWork # scheduler.development.js:552
performWorkUntilDeadline # scheduler.development.js:164````

For those who missed - there's typo in locahost. Should be localhost, or locahost should be configured to resolve locally to 127.0.0.1 (or whatever target IP is, depends on OS used)

Axios not working on DigitalOcean server after npm update?

I updated npm on my DigitalOcean droplet, now the axios post call in my authentication (log in) function isn't working. I added a console.log and know that the function is triggered, but the axios post request is not working on the live site. The axios post request still works on my localhost.
I'm getting this error code on the live site:
POST https://www.myexamplesite.com/auth/login 504 (Gateway Time-out) - xhr.js:175
(anonymous) # 2.d105a7aa.chunk.js:1
e.exports # 2.d105a7aa.chunk.js:1
e.exports # 2.d105a7aa.chunk.js:1
Promise.then (async)
u.request # 2.d105a7aa.chunk.js:1
r.forEach.u.<computed> # 2.d105a7aa.chunk.js:1
(anonymous) # 2.d105a7aa.chunk.js:1
onClick # main.84d90956.chunk.js:1
l # 2.d105a7aa.chunk.js:1
d # 2.d105a7aa.chunk.js:1
(anonymous) # 2.d105a7aa.chunk.js:1
m # 2.d105a7aa.chunk.js:1
at # 2.d105a7aa.chunk.js:1
ot # 2.d105a7aa.chunk.js:1
lt # 2.d105a7aa.chunk.js:1
dt # 2.d105a7aa.chunk.js:1
D # 2.d105a7aa.chunk.js:1
F # 2.d105a7aa.chunk.js:1
Xt # 2.d105a7aa.chunk.js:1
Zt # 2.d105a7aa.chunk.js:1
t.unstable_runWithPriority # 2.d105a7aa.chunk.js:1
Ho # 2.d105a7aa.chunk.js:1
M # 2.d105a7aa.chunk.js:1
Gt # 2.d105a7aa.chunk.js:1
Again, the axios post request works fine on the localhost. But the live site sends this error since updating npm (I think it was npm that I updated; there's a chance it was something else). Also, every once and a while I think I've gotten an error about something wrong with a Promise. But that error hasn't appeared for a while.
Any thoughts on how to fix this?

The issue with the new update was that it would no longer allow self certification. I had to add this to the server:
process.env.NODE_TLS_REJECT_UNAUTHORIZED='0';
That is a temporary fix until I'm able to get the website certification working properly. I still think there may be an issue with the new npm update because I didn't self-certify my site, I used an official certification system. Don't know why this error happened. Still trying to figure out how to make the app work again without the process.env.NODE_TLS_REJECT_UNAUTHORIZED='0'; in the server.

What should I do with these Javascript-console errors (Wordpress)?

reset.css Failed to load resource: the server responded with a status of 404 (Not Found)
jquery-migrate.js:23 JQMIGRATE: Migrate is installed with logging active, version 1.4.1
jquery-migrate.js:45 JQMIGRATE: jQuery.fn.load() is deprecated
migrateWarn # jquery-migrate.js:45
jquery-migrate.js:47 console.trace
migrateWarn # jquery-migrate.js:47
reset.css Failed to load resource: the server responded with a status of 404 (Not Found)
More info:
Some of my plugins' Javascript is not working but only on the home page. I've tried disabling all non-related plugins but this doesn't solve the problem.
jquery-migrate.js appears to be located in wp-includes/js/jquery/. I'm assuming this is the correct file location.
In the very beginning I including a file called reset.css but long ago deleted the file plus any reference to it (for example, in functions.php) so I'm not sure what the issue is there. It is correct that the file is not available but it also shouldn't be looking for it.
Can any tell me step by step what I need to do/change? If any other info necessary please ask! Many thanks.
EDIT: after deactivating debugging in wp-config the console changed to this:
GET http://match.onesquad.nl/wp-content/themes/match-theme/reset.css
jquery-migrate.js?ver=1.4.1:23 JQMIGRATE: Migrate is installed with logging active, version 1.4.1
jquery-migrate.js?ver=1.4.1:45 JQMIGRATE: jQuery.fn.load() is deprecated
migrateWarn # jquery-migrate.js?ver=1.4.1:45
jQuery.fn.(anonymous function) # jquery-migrate.js?ver=1.4.1:560
(anonymous) # (index):368
i # jquery.js?ver=1.12.4:2
fireWith # jquery.js?ver=1.12.4:2
ready # jquery.js?ver=1.12.4:2
K # jquery.js?ver=1.12.4:2
jquery-migrate.js?ver=1.4.1:47 console.trace
migrateWarn # jquery-migrate.js?ver=1.4.1:47
jQuery.fn.(anonymous function) # jquery-migrate.js?ver=1.4.1:560
(anonymous) # (index):368
i # jquery.js?ver=1.12.4:2
fireWith # jquery.js?ver=1.12.4:2
ready # jquery.js?ver=1.12.4:2
K # jquery.js?ver=1.12.4:2

POST https://api.parse.com/1/users 400 (Bad Request) ERROR when using Fb login button (JAVASCRIPT)

Followed the FaceBook /Parse guide for letting users login via Fb, getting this message currently? I've looked for other examples, but can't see anything else that looks relevant.
Has anyone come across and solved this before?
POST https://api.parse.com/1/users 400 (Bad Request)b._ajax.j # parse-1.4.2.min.js:1b._ajax # parse-1.4.2.min.js:1(anonymous function) # parse-1.4.2.min.js:1c.extend.then.e # parse-1.4.2.min.js:3(anonymous function) # parse-1.4.2.min.js:3c.extend.then.g # parse-1.4.2.min.js:3c.extend.then # parse-1.4.2.min.js:3b._request # parse-1.4.2.min.js:1(anonymous function) # parse-1.4.2.min.js:3(anonymous function) # parse-1.4.2.min.js:3c.extend.then.e # parse-1.4.2.min.js:3(anonymous function) # parse-1.4.2.min.js:3c.extend.then.g # parse-1.4.2.min.js:3c.extend.then # parse-1.4.2.min.js:3c.extend._continueWith # parse-1.4.2.min.js:3c.extend.save # parse-1.4.2.min.js:3b.User.b.Object.extend.save # parse-1.4.2.min.js:5b.User.b.Object.extend._linkWith # parse-1.4.2.min.js:5b.User.b.Object.extend._linkWith.a.authenticate.success # parse-1.4.2.min.js:5g.authenticate.FB.login.scope # parse-1.4.2.min.js:5window.FB.u.__wrapper # all.js:95(anonymous function) # all.js:91window.FB.ha._xdRecv # all.js:113(anonymous function) # all.js:113pa # all.js:90(anonymous function) # all.js:88window.FB.h.setWrapper.j # all.js:50window.FB.h.setWrapper.j # all.js:50

This was caused my the fact that I'd deleted the Fb app and created a new one and not switched over the secret question and app id in the parse.com back end. Bit stupid to forget this, but someone else might find this handy one day..