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Codeigniter 4 shows an error when I run the CI4 application, How I resolve?

Changes:

public $baseURL = 'http://ci.local';


public $baseURL = 'http://localhost:8080';
public $indexPage = '';

i know this is outdated article but may this help you https://github.com/codeigniter4/CodeIgniter4/issues/581 — PHP Ninja, Sep 09 '19 at 11:31

Chibueze Agwu · Answer 1 · 2023-04-29T12:35:36.093

43

This work for me try it Go to app directory then to boot directory you will see production.php file.

That is: app => Config => Boot => production.php

Change the ini_set('display_errors', '0') to ini_set('display_errors', '1').

Warning: When in production change back to initial ini_set('display_errors', '0')

Or

you can rename your file env in your project directory to .env after that open it and edit. Search for # CI_ENVIRONMENT = production remove # and change production to development

Warning: When in production change back to initial CI_ENVIRONMENT = development to CI_ENVIRONMENT = production

For those experiencing intl error go to where your php installation directory edit the php.ini file remove semi-colon ";" from ;extension=intl to extension=intl. save the file and restart your server. I think this will solve that error. This particular editing of my php.ini was on php >= 7.3 so I haven't check other version of php lesser than these versions which Codeigniter 4 does not support

edited Apr 29 '23 at 12:35

answered Oct 16 '19 at 09:09

Chibueze Agwu

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Setting ```CI_ENVIRONMENT = development``` in ```env``` strangely did not change anything. But changing ```production.php``` as you described did the job. However, I am wondering, why did changing the ```env``` file not help? – Gerke Jan 18 '20 at 12:05
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@Gerke Did you change file `env` to `.env` that is adding dot in front of the file name. I hope this will do the job for you – Chibueze Agwu Jan 18 '20 at 17:58
@user9437856 what are you using – Chibueze Agwu Jan 16 '21 at 09:27
Perfect answer! – Kay Angevare May 03 '21 at 17:38
Changing environment to "development" did the magic because Codeigniter 4* already set that `display_errors` to `'1'` by default. – Oluwatobi Samuel Omisakin Aug 11 '21 at 14:15
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@OluwatobiSamuelOmisakin Off course, that is the reason I give the possible solution I know you can use to solve this error – Chibueze Agwu Aug 12 '21 at 15:57
1

Since this is Codeigniter 4, rather I'd suggest only the CI_ENVIRONMENT modification in the .env from "production" to "development". In my case no exception thrown but just an info to enable CURL in the php.ini. Anyway good reminder, forgot to set it. – Robert Aug 20 '21 at 16:46

score 17 · Answer 2 · answered Nov 05 '20 at 09:47

After installing CodeIgniter 4 when you run the app then you will get an error like this

To know the error go to the app/Config/Boot/production.php and set display_errors to 1 as below

ini_set('display_errors', '1');

Now, you will see the actual error below

Nothing to worry about it. The app needs permission. Assign the permission like as below

sudo chmod -R 777 project_name

score 14 · Answer 3 · answered Mar 05 '20 at 10:11

Assume that your root folder of your CI4 project is rootproject. Edit rootproject/.env file. On line 17 change from:

#  CI_ENVIRONMENT = production

to:

CI_ENVIRONMENT = development

Save it.

Refresh your browser that pointing to your CI4 project. It should give you many error messages.

If there is something written as CacheException, than your cache folders are not writable. Make it writable;

Ubuntu:

chown -Rv www-data rootproject/writable

CentOS:

chown -Rv apache rootproject/writable

Easy way:

chmod 777 -Rv rootproject/writable

Never use 777, pleease – Oluwatobi Samuel Omisakin Aug 11 '21 at 14:14 — Oluwatobi Samuel Omisakin, Aug 11 '21 at 14:14

score 7 · Answer 4 · answered Nov 11 '19 at 18:33

7

In your CI4 project root, create a file named .env. It should be in the same directory as system, app e.t.c

Then, add this CI_ENVIRONMENT = development

answered Nov 11 '19 at 18:33

mLawrenci

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score 7 · Answer 5 · answered Apr 06 '21 at 07:23

7

The problem is most likely due to missing extensions. Check server requirements here.. Check your php.ini file and make sure intl and mbstring are enabled.

answered Apr 06 '21 at 07:23

Imran

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Here's a solution for enable **intl** answered by @burhan-ul-haqq-zahir [https://stackoverflow.com/a/66100302/6681157](https://stackoverflow.com/a/66100302/6681157) – Diana Quinteros Jul 20 '21 at 22:27
Yes, also stated on this website: https://www.studentstutorial.com/codeigniter/install_4.php?expand_article=1 – IVIike Aug 02 '23 at 12:41

score 5 · Answer 6 · answered Mar 19 '21 at 23:24

5

When you change # CI_ENVIRONMENT = production to CI_ENVIRONMENT = development don't forget of rename the env file to .env else it will not work.

answered Mar 19 '21 at 23:24

Josimar

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Merrin K · Answer 7 · 2022-01-05T07:35:57.460

5

Try This

Open [xampp]/php/php.ini

Search for ;extension=intl and remove the ;
Save the php.ini file and restart Apache(server).

edited Jan 05 '22 at 07:35

answered Jan 05 '22 at 07:21

Merrin K

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score 4 · Answer 8 · answered Feb 28 '20 at 05:53

4

I had the same problem, I have a simple solution for Mac. - in the project folder, go to 'writable' - select all the folders contained and click on 'get information' - go share and permissions - in 'everyone' select 'read and write' That's it! refresh the page

answered Feb 28 '20 at 05:53

Santiago D

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I'm using Mac too. A simple way and it works, thank you so much. – Mey Lin Jun 18 '21 at 11:21

score 3 · Answer 9 · edited Apr 18 '20 at 06:30

3

In Root folder change: env to .env
Change # CI_ENVIRONMENT = production to CI_ENVIRONMENT = development (ensure it is uncommented)
Your error may be related to the knit.php file.
Go to System/Third Party and change: knit.php to Knit.php (Capital)
Reload.

edited Apr 18 '20 at 06:30

סטנלי גרונן

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answered Apr 18 '20 at 02:37

Rokhayakebe

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I have downloaded ci4 manually, After follow these steps, got same issue – Feb 12 '21 at 06:18

score 3 · Answer 10 · answered May 26 '20 at 16:46

3

For those using XAMPP in MacOS:

You don't need to change the ownership of the writable directory. You only need to change permission to entire directory:

chmod -R 777 writable

answered May 26 '20 at 16:46

user13621644

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Your answer fits better in the StackOverflow format when you answer the whole question. You could cite other answers. – ominug May 26 '20 at 18:11

score 2 · Answer 11 · answered Sep 17 '19 at 01:32

You're running in the production environment and need to change it to a Development or Testing environment to see the error messages within the browser.

There are a few ways to do this, but adding:

SetEnv CI_ENVIRONMENT development

To the Apache httpd.config file is what worked for me.

_t

score 2 · Answer 12 · edited Jan 26 '20 at 15:39

2

I got the answer for this query; just follow these steps:

From the command line, at your project root just hit this php spark serve
Then hit this on your browser http://localhost:8080/

Enjoy your Latest CI.

edited Jan 26 '20 at 15:39

Das_Geek

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answered Jan 25 '20 at 12:45

Coding_snakeZ

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score 1 · Answer 13 · answered Nov 05 '19 at 14:44

Not sure what the desired answer is, but:

If you are asking to see what is the actual error is - either change your environment to testing/development (as suggested so far) or you can check your logs - writable/logs/log-.php
If you wish to solve the error, we will need more information, like have you setup virtual hosts, have you change .htaccess file in public folder, etc. Otherwise we will be most likely betting (I bet it's virtual hosts).

In any case, a copy of the displayed error (after changing evnironment) or log file will be useful.

score 1 · Answer 14 · answered Oct 27 '22 at 21:44

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In Codeigniter 4 source code have a folder named writable, just update it's access permission. Sometimes it'll help to get rid of Whoops. Also can check the video for Ubuntu / Linux

answered Oct 27 '22 at 21:44

Anupam M

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score 0 · Answer 15 · edited Apr 20 '20 at 02:35

You can check logs file on writable/logs find error information, If your logs information like :

CRITICAL - 2020-04-19 17:44:55 --> Invalid file: template/header.php
#0 F:\xampp\htdocs\ppdb\vendor\codeigniter4\framework\system\View\View.php(224): CodeIgniter\Exceptions\FrameworkException::forInvalidFile('template/header...')

And go fix your error, in my case i am wrong typed name on controller file

score 0 · Answer 16 · answered May 13 '23 at 14:31

0

env file is coming with env without . than you just need to rename it with .env and change your production environment to development.

answered May 13 '23 at 14:31

Ritika

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