Template:Error:must be substituted/doc

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Module:Error

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Error:must be substituted

Use in the false branch of {{ifsubst}} to produce a standardised error message when the template is not substituted.

Template parameters
Parameter		Description	Type	Status
Don’t Categorise?	`nocat`	Whether to not add the transcluding page to "Category:Templates needing substitution". Default 0 Auto value `1`	Boolean	optional
Template Name	`1`	The name of the template that must be substituted. Auto value `{{subst:#switch:{{subst:NAMESPACE}}\|{{subst:ns:10}}=\|{{subst:ns:0}}=:\|#default={{subst:NAMESPACE}}:}}{{subst:PAGENAME}}`	Template	required

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