```
vagrant@mediawiki-vagrant:~$ phpsh
Starting php
phpsh failed to initialize PHP.
Fix the problem and hit enter to reload or ctrl-C to quit.
Fatal error: Uncaught exception 'MWException' with message 'Unable to determine IP.' in /vagrant/mediawiki/includes/WebRequest.php on line 1123
MWException: Unable to determine IP. in /vagrant/mediawiki/includes/WebRequest.php on line 1123
Call Stack:
0.9053 10796800 1. MWExceptionHandler::handleException() /vagrant/mediawiki/includes/exception/MWExceptionHandler.php:0
0.9053 10796920 2. MWExceptionHandler::rollbackMasterChangesAndLog() /vagrant/mediawiki/includes/exception/MWExceptionHandler.php:169
0.9053 10796952 3. wfGetLBFactory() /vagrant/mediawiki/includes/exception/MWExceptionHandler.php:138
0.9082 10871968 4. LBFactory::singleton() /vagrant/mediawiki/includes/GlobalFunctions.php:3227
0.9102 10910264 5. LBFactorySimple->__construct() /vagrant/mediawiki/includes/db/loadbalancer/LBFactory.php:78
0.9102 10910384 6. LBFactory->__construct() /vagrant/mediawiki/includes/db/loadbalancer/LBFactorySimple.php:37
0.9103 10910536 7. LBFactory->newChronologyProtector() /vagrant/mediawiki/includes/db/loadbalancer/LBFactory.php:51
0.9380 11182576 8. WebRequest->getIP() /vagrant/mediawiki/includes/db/loadbalancer/LBFactory.php:299
Fatal error: Uncaught exception 'MWException' with message 'Unable to determine IP.' in /vagrant/mediawiki/includes/WebRequest.php on line 1123
MWException: Unable to determine IP. in /vagrant/mediawiki/includes/WebRequest.php on line 1123
Call Stack:
0.9525 11183352 1. MediaWiki\Session\SessionManager->shutdown() /vagrant/mediawiki/includes/session/SessionManager.php:0
0.9705 11183400 2. MediaWiki\Session\SessionBackend->save() /vagrant/mediawiki/includes/session/SessionManager.php:449
0.9707 11183400 3. User->getName() /vagrant/mediawiki/includes/session/SessionBackend.php:516
0.9707 11183448 4. WebRequest->getIP() /vagrant/mediawiki/includes/user/User.php:1951
PHP Fatal error: Uncaught exception 'MWException' with message 'Unable to determine IP.' in /vagrant/mediawiki/includes/WebRequest.php:1123
Stack trace:
#0 /vagrant/mediawiki/includes/db/loadbalancer/LBFactory.php(299): WebRequest->getIP()
#1 /vagrant/mediawiki/includes/db/loadbalancer/LBFactory.php(51): LBFactory->newChronologyProtector()
#2 /vagrant/mediawiki/includes/db/loadbalancer/LBFactorySimple.php(37): LBFactory->__construct(Array)
#3 /vagrant/mediawiki/includes/db/loadbalancer/LBFactory.php(78): LBFactorySimple->__construct(Array)
#4 /vagrant/mediawiki/includes/GlobalFunctions.php(3227): LBFactory::singleton()
#5 /vagrant/mediawiki/includes/exception/MWExceptionHandler.php(138): wfGetLBFactory()
#6 /vagrant/mediawiki/includes/exception/MWExceptionHandler.php(169): MWExceptionHandler::rollbackMasterChangesAndLog(Object(MWException))
#7 [internal function]: MWExceptionHandler::handleException(Object(MWException))
#8 {main}
thrown in /vagrant/mediawiki/includes/WebRequest.php on line 1123
PHP Fatal error: Uncaught exception 'MWException' with message 'Unable to determine IP.' in /vagrant/mediawiki/includes/WebRequest.php:1123
Stack trace:
#0 /vagrant/mediawiki/includes/user/User.php(1951): WebRequest->getIP()
#1 /vagrant/mediawiki/includes/session/SessionBackend.php(516): User->getName()
#2 /vagrant/mediawiki/includes/session/SessionManager.php(449): MediaWiki\Session\SessionBackend->save(true)
#3 [internal function]: MediaWiki\Session\SessionManager->shutdown()
#4 {main}
thrown in /vagrant/mediawiki/includes/WebRequest.php on line 1123
```