Fix not being able to save course when Yoast SEO is activated #3866
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Fixes #3867.
Changes proposed in this Pull Request
When the Yoast SEO plugin is activated,
$post
is not set on the first call to some functions, resulting in a fatal error. This PR adds a check that bails early if$post
is not set. I checked all other files inincludes/blocks
and no others are usingglobal $post
.Testing instructions