# Permission to Kernel
**URL:** https://forum.mautic.org/t/permission-to-kernel/30788
**Category:** Mautic 4 Install/Upgrade Support
**Created:** [February 5, 2024, 12:22pm UTC](https://forum.mautic.org/t/permission-to-kernel/30788 "2024-02-05T12:22:05Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@tomasr](https://forum.mautic.org/u/tomasr)
#### Post date: [February 5, 2024, 12:22pm UTC](https://forum.mautic.org/t/permission-to-kernel/30788/1 "2024-02-05T12:22:06Z")
**Your software**
_My PHP version is_ : 7.4
\*My MySQL version is: 7.4.33
**Updating/Installing Errors**
\*I am: Installing
\*installing via: Command Line
_These errors are showing in the installer_ :
composer install
PHP Warning: PHP Startup: Unable to load dynamic library ‘soap’ (tried: /usr/lib/php/20190902/soap (/usr/lib/php/20190902/soap: cannot open shared object file: No such file or directory), /usr/lib/php/20190902/soap.so (/usr/lib/php/20190902/soap.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Warning: PHP Startup: Unable to load dynamic library ‘soap’ (tried: /usr/lib/php/20190902/soap (/usr/lib/php/20190902/soap: cannot open shared object file: No such file or directory), /usr/lib/php/20190902/soap.so (/usr/lib/php/20190902/soap.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Installing dependencies from lock file (including require-dev)
Verifying lock file contents can be installed on current platform.
Your lock file does not contain a compatible set of packages. Please run composer update.
Problem 1
- bandwidth-throttle/token-bucket is locked to version 2.0.0 and an update of this package was not requested.
- bandwidth-throttle/token-bucket 2.0.0 requires ext-bcmath \* → it is missing from your system. Install or enable PHP’s bcmath extension.
Problem 2
- mautic/core-lib is locked to version 4.3.x-dev and an update of this package was not requested.
- mautic/core-lib 4.3.x-dev requires ext-zip \* → it is missing from your system. Install or enable PHP’s zip extension.
Problem 3
- phpoffice/phpspreadsheet is locked to version 1.23.0 and an update of this package was not requested.
- phpoffice/phpspreadsheet 1.23.0 requires ext-zip \* → it is missing from your system. Install or enable PHP’s zip extension.
_These errors are showing in the Mautic log_ :
Nothing
**Your problem**
_My problem is_ :
**Warning** : require(/mautic/vendor/composer/…/…/app/AppKernel.php): failed to open stream: Permission denied in **/mautic/vendor/composer/autoload\_real.php** on line **78**
**Fatal error** : require(): Failed opening required /mautic/vendor/composer/…/…/app/AppKernel.php’ (include\_path=‘.:/usr/share/php’) in **/mautic/vendor/composer/autoload\_real.php** on line **78**
_Steps I have tried to fix the problem_ :
Problems during installation I solved by composer install --ignore-platform-req=ext-bcmath --ignore-platform-req=ext-zip
---
### Author:  [@marcus42](https://forum.mautic.org/u/marcus42)
#### Post date: [February 8, 2024, 8:03pm UTC](https://forum.mautic.org/t/permission-to-kernel/30788/2 "2024-02-08T20:03:18Z")
Looks like you are missing the soap PHP extension.
ref:
Unable to load dynamic library ‘soap’