Call to undefined function Spatie\ImageOptimizer\Optimizers\escapeshellarg()

[dwgdbima]

i got "Call to undefined function Spatie\ImageOptimizer\Optimizers\escapeshellarg()" when i call addMedia function. the weird thing is the function going well in local but show this error in hosting.

[harrowmykel]

run "composer install" or "composer update"

[logudotcom]

While we do the "composer update" I get the below error? How do I fix that?

`In ProcessExecutor.php line 451:

[Error]
Call to undefined function Composer\Util\escapeshellarg()

Exception trace:
at phar:///opt/cpanel/composer/bin/composer/src/Composer/Util/ProcessExecutor.php:451
Composer\Util\ProcessExecutor::escapeArgument() at phar:///opt/cpanel/composer/bin/composer/src/Composer/Util/ProcessExecutor.php:405
Composer\Util\ProcessExecutor::escape() at phar:///opt/cpanel/composer/bin/composer/src/Composer/EventDispatcher/EventDispatcher.php:430
Composer\EventDispatcher\EventDispatcher->getPhpExecCommand() at phar:///opt/cpanel/composer/bin/composer/src/Composer/EventDispatcher/EventDispatcher.php:368
Composer\EventDispatcher\EventDispatcher->doDispatch() at phar:///opt/cpanel/composer/bin/composer/src/Composer/EventDispatcher/EventDispatcher.php:129
Composer\EventDispatcher\EventDispatcher->dispatchScript() at phar:///opt/cpanel/composer/bin/composer/src/Composer/Autoload/AutoloadGenerator.php:455
Composer\Autoload\AutoloadGenerator->dump() at phar:///opt/cpanel/composer/bin/composer/src/Composer/Installer.php:362
Composer\Installer->run() at phar:///opt/cpanel/composer/bin/composer/src/Composer/Command/UpdateCommand.php:247
Composer\Command\UpdateCommand->execute() at phar:///opt/cpanel/composer/bin/composer/vendor/symfony/console/Command/Command.php:298
Symfony\Component\Console\Command\Command->run() at phar:///opt/cpanel/composer/bin/composer/vendor/symfony/console/Application.php:1040
Symfony\Component\Console\Application->doRunCommand() at phar:///opt/cpanel/composer/bin/composer/vendor/symfony/console/Application.php:301
Symfony\Component\Console\Application->doRun() at phar:///opt/cpanel/composer/bin/composer/src/Composer/Console/Application.php:382
Composer\Console\Application->doRun() at phar:///opt/cpanel/composer/bin/composer/vendor/symfony/console/Application.php:171
Symfony\Component\Console\Application->run() at phar:///opt/cpanel/composer/bin/composer/src/Composer/Console/Application.php:145
Composer\Console\Application->run() at phar:///opt/cpanel/composer/bin/composer/bin/composer:93
require() at /opt/cpanel/composer/bin/composer:29

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