[Exception]
Version check failed! gms-sa/advanced-search requires Roundcube version <= 1.0.9999.0, 1.2.999.0 was detected.
Exception trace:
() at /usr/share/roundcubemail/vendor/roundcube/plugin-installer/src/Roundcube/Composer/PluginInstaller.php:170
Roundcube\Composer\PluginInstaller->rcubeVersionCheck() at /usr/share/roundcubemail/vendor/roundcube/plugin-installer/src/Roundcube/Composer/PluginInstaller.php:43
Roundcube\Composer\PluginInstaller->install() at phar:///usr/share/roundcubemail/composer.phar/src/Composer/Installer/InstallationManager.php:152
Composer\Installer\InstallationManager->install() at phar:///usr/share/roundcubemail/composer.phar/src/Composer/Installer/InstallationManager.php:139
Composer\Installer\InstallationManager->execute() at phar:///usr/share/roundcubemail/composer.phar/src/Composer/Installer.php:585
Composer\Installer->doInstall() at phar:///usr/share/roundcubemail/composer.phar/src/Composer/Installer.php:230
Composer\Installer->run() at phar:///usr/share/roundcubemail/composer.phar/src/Composer/Command/UpdateCommand.php:140
Composer\Command\UpdateCommand->execute() at phar:///usr/share/roundcubemail/composer.phar/vendor/symfony/console/Symfony/Component/Console/Command/Command.php:257
Symfony\Component\Console\Command\Command->run() at phar:///usr/share/roundcubemail/composer.phar/vendor/symfony/console/Symfony/Component/Console/Application.php:874
Symfony\Component\Console\Application->doRunCommand() at phar:///usr/share/roundcubemail/composer.phar/vendor/symfony/console/Symfony/Component/Console/Application.php:195
Symfony\Component\Console\Application->doRun() at phar:///usr/share/roundcubemail/composer.phar/src/Composer/Console/Application.php:146
Composer\Console\Application->doRun() at phar:///usr/share/roundcubemail/composer.phar/vendor/symfony/console/Symfony/Component/Console/Application.php:126
Symfony\Component\Console\Application->run() at phar:///usr/share/roundcubemail/composer.phar/src/Composer/Console/Application.php:82
Composer\Console\Application->run() at phar:///usr/share/roundcubemail/composer.phar/bin/composer:43
require() at /usr/share/roundcubemail/composer.phar:25
Confirmed. I've just upgraded Roundcube to v1.2 and was trying to upgrade plugins, too. According to roundcube-advanced-search/composer.json , maximum supported RC version is 1.0.9999.