From https://www.mediawiki.org/wiki/Thread:Project:Support_desk/Passthru%28%29/reply_%2812%29:
When installing using MySQL/Binary Tables, my host times out and some db tables are not created, and after a page reload 1.19 gives some errors and don't finish.
The installer should detect this if it can and only allow UTF-8 installations.
Version: 1.19
Severity: normal