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A parameter, xxx, is referenced in the template, yyy, but not passed

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#47900 (In Topic #10461)

A template referenced a parameter that the template is not actually given.

How did this happen?

If you have recently edited a template you may have accidentally created the problem by referencing a non-existent parameter. Parameters are referenced in templates like {EXAMPLE} and different templates receive different parameters. You may have copy&pasted some code from one template into another and not realised it was not compatible.

Otherwise, you may have found a bug. It is possible that the software may neglect to pass a parameter in certain usages of a template. No errors of this type are left unfixed, but it is a common problem.

How do I fix it?

If you recognise that the error might stem from a template change you have made then fix your template.

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