i'm install stable mediawiki v.1.28.2. During installation no errors, but it appears when you navigate to a website after installation. Tried to install the version 1.27.3, a similar problem. PHP7.1
See error http://wiki.stop-dezavid.ru/index.php.
**Fatal error: Class 'Liuggio\StatsdClient\Factory\StatsdDataFactory' not found in /home/a339/wiki.stop-dezavid.ru/WWW/includes/libs/stats/BufferingStatsdDataFactory.php on line 35 **
---
On the recommendations made update: Composer update - OK!
$ cd wiki.stop-dezavid.ru/WWW
$ composer update
ComposerHookHandler::onPreUpdate
Loading composer repositories with package information
Updating dependencies (including require-dev)
Package operations: 27 installs, 0 updates, 14 removals
Removing james-heinrich/getid3 (v1.9.12)
Removing pimple/pimple (v2.1.1)
Removing ruflin/elastica (3.1.1)
Removing symfony/process (v3.0.4)
Removing pear/mail (1.3.0)
Removing wikimedia/textcat (1.1.3)
Removing pear/net_smtp (1.7.1)
Removing pear/net_socket (1.0.14)
Removing pear/mail_mime-decode (1.5.5.2)
Removing pear/mail_mime (1.10.0)
Removing pear/pear-core-minimal (v1.10.1)
Removing pear/console_getopt (v1.4.1)
Removing pear/pear_exception (v1.0.0)
Removing firebase/php-jwt (v3.0.0)
Installing composer/spdx-licenses (1.1.4): Downloading (100%)
Installing jakub-onderka/php-parallel-lint (v0.9.2): Downloading (100%)
Installing squizlabs/php_codesniffer (2.6.0): Downloading (100%)
Installing mediawiki/mediawiki-codesniffer (v0.7.2): Downloading (100%)
Installing nikic/php-parser (v2.1.0): Downloading (100%)
Installing symfony/yaml (v3.3.0): Downloading (100%)
Installing sebastian/version (1.0.6): Downloading (100%)
Installing sebastian/global-state (1.1.1): Downloading (100%)
Installing sebastian/recursion-context (1.0.5): Downloading (100%)
Installing sebastian/exporter (1.2.2): Downloading (100%)
Installing sebastian/environment (1.3.8): Downloading (100%)
Installing sebastian/diff (1.4.3): Downloading (100%)
Installing sebastian/comparator (1.2.4): Downloading (100%)
Installing doctrine/instantiator (1.0.5): Downloading (100%)
Installing phpunit/php-text-template (1.2.1): Downloading (100%)
Installing phpunit/phpunit-mock-objects (2.3.8): Downloading (100%)
Installing phpunit/php-timer (1.0.9): Downloading (100%)
Installing phpunit/php-file-iterator (1.4.2): Downloading (100%)
Installing phpunit/php-token-stream (1.4.11): Downloading (100%)
Installing phpunit/php-code-coverage (2.2.4): Downloading (100%)
Installing webmozart/assert (1.2.0): Downloading (100%)
Installing phpdocumentor/reflection-common (1.0): Downloading (100%)
Installing phpdocumentor/type-resolver (0.2.1): Downloading (100%)
Installing phpdocumentor/reflection-docblock (3.1.1): Downloading (100%)
Installing phpspec/prophecy (v1.7.0): Downloading (100%)
Installing phpunit/phpunit (4.8.24): Downloading (100%)
Installing wikimedia/testing-access-wrapper (1.0.0): Downloading (100%)
jakub-onderka/php-parallel-lint suggests installing jakub-onderka/php-console-highlighter (Highlight syntax in code snippet)
symfony/yaml suggests installing symfony/console (For validating YAML files using the lint command)
sebastian/global-state suggests installing ext-uopz (*)
phpunit/php-code-coverage suggests installing ext-xdebug (>=2.2.1)
phpunit/phpunit suggests installing phpunit/php-invoker (~1.1)
Writing lock file
Generating optimized autoload files
---
Problem remained. Please help!