Manual:$wgShowDBErrorBacktrace

Debug: $wgShowDBErrorBacktrace
If true, show a backtrace for database errors.
Introduced in version:1.16.0 (r55797)
Deprecated in version:1.32.0 (Gerrit change 446370; git #807125ab)
Removed in version:1.37.0 (Gerrit change 704395; git #f90ecdfa)
Allowed values:(boolean)
Default value:false

Details

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If true, show a backtrace for database errors.

In MediaWiki 1.32, this setting got deprecated and is nonfunctional since then. Use Manual:$wgShowExceptionDetails and Manual:$wgShowHostnames instead!