Manual:$wgPropagateErrors/en

From Linux Web Expert

<translate> Debug</translate>: $wgPropagateErrors
If true, the MediaWiki error handler passes errors/warnings to the default error handler after logging them.
<translate> Introduced in version:</translate>1.31.0 (Gerrit change 338911; git #87a8c1de)
<translate> Removed in version:</translate><translate> still in use</translate>
<translate> Allowed values:</translate>(boolean)
<translate> Default value:</translate>true

Details

If true, the MediaWiki error handler passes errors/warnings to the default error handler after logging them. The setting is ignored when the track_errors php.ini flag is true.