Alex. You assisted before with this see topic - https://wplms.io/support/forums/topic/external-lms-integration-wplms-shortcode-stopped-working/page/2/
The same issue present its self. I have followed your video to use text editor but still get the error. see screenshot.
https://snipboard.io/S0ZJgU.jpg
This is for course Human exceptionality Unit is named the same shortcode that needs to redirect is [lti-launch id=human-exceptionalities-schools-and-communities]
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I have tried it again front and back same issue. Please take look
http://somup.com/c3iibZuj05
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That did the trick. It is working when using the link option. Thanks
good to know this works for you
thanks for your confirmation
closing this topic.