Update to v4.5.1, same using FactoriesCache

I updated from 4.4.x to 4.51, Follow instruction upgrading. I clear cache first created by 4.4.x, and open again in browser with local computer give SUCCESS. But with environment dev server same as clear cache first appear ERROR

Fatal error: Declaration of CodeIgniter\Log\Logger::emergency(Stringable|string $message, array $context = []): void must be compatible with PsrExt\Log\LoggerInterface::emergency($message, array $context = []) in /home/http8_data/xxx/vendor/codeigniter4/framework/system/Log/Logger.php on line 162

This is related to FactoriesCache? What a problem?

This is related to FactoriesCache?

If you think so, disable the cache and try again.

ci-phpunit-test | CodeIgniter Testing Guide | CodeIgniter 3 to 4 Upgrade Helper

Fatal error: Declaration of CodeIgniter\Log\Logger::emergency(Stringable|string $message, array $context = []): void must be compatible with PsrExt\Log\LoggerInterface::emergency($message, array $context = []) in /home/http8_data/xxx/vendor/codeigniter4/framework/system/Log/Logger.php on line 162

What a problem?

The error message tells the problem.

Declaration of

PHP Code:

CodeIgniter\Log\Logger::emergency(Stringable|string $message, array $context = []): void 


must be compatible with

PHP Code:

PsrExt\Log\LoggerInterface::emergency($message, array $context = []) 


ci-phpunit-test | CodeIgniter Testing Guide | CodeIgniter 3 to 4 Upgrade Helper

Fatal error: Declaration of CodeIgniter\Log\Logger::emergency(Stringable|string $message, array $context = []): void must be compatible with PsrExt\Log\LoggerInterface::emergency($message, array $context = []) in /home/http8_data/xxx/vendor/codeigniter4/framework/system/Log/Logger.php on line 162

What a problem?

The error message tells the problem.

Declaration of

PHP Code:

CodeIgniter\Log\Logger::emergency(Stringable|string $message, array $context = []): void 


must be compatible with

PHP Code:

PsrExt\Log\LoggerInterface::emergency($message, array $context = []) 


I don't extend PsrExt\Log\LoggerInterface at all

Local computer = PHP 8.3.4
Dev Server = PHP 8.3.6

Ah, remove psr extention. It is outdated.
https://github.com/jbboehr/php-psr

ci-phpunit-test | CodeIgniter Testing Guide | CodeIgniter 3 to 4 Upgrade Helper

Ah, remove psr extention. It is outdated.
https://github.com/jbboehr/php-psr

how do you remove it?

Remove the line in your php.ini:
extension=psr.so

ci-phpunit-test | CodeIgniter Testing Guide | CodeIgniter 3 to 4 Upgrade Helper