Symptoms

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When loading the guided tour in designer, the steps are missing on the right under the callouts. There is also an error in the console debugger:

Uncaught SyntaxError: Unexpected token X in JSON at position X

 

Cause

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The JSON is attempting to parse a non JSON object. If you breakpoint the JSON parse, you will find there may be a sentence instead of JSON. This is due to having the short description placed in the option's field.

Resolution

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Ensure the short description is in the short description field. If the options field is filled with a string, it will break the guided tours steps parsing before it finishes loading.