Whoops! The default skin for your wiki, defined in $wgDefaultSkin as chameleon, is not available.
Your installation seems to include the following skins. See Manual: Skin configuration for information how to enable them and choose the default.
minervaneue / MinervaNeue (disabled)monobook / MonoBook (enabled)timeless / Timeless (disabled)tweeki / Tweeki (enabled)vector / Vector (enabled)skins/ directory from it.LocalSettings.php to enable all installed skins:wfLoadSkin( 'MinervaNeue' ); wfLoadSkin( 'Timeless' );
LocalSettings.phpEMin5 takes on interpreting basic ECG information in this 5 minute refresher: https://www.youtube.com/watch?time_continue=342&v=LCFXZvnW3rg
Life in the Fast Lane's ECG Basics (a guide to all things ECG!): http://lifeinthefastlane.com/ecg-library/basics/