Problem
When trying to access a roadmap receive error of TypeError - Cannot read properties of undefined (reading 'id')
This error usually occurs when the “Parent Item” field is a subheader, even though there are no parent items in the roadmap. The error’s being thrown because it’s trying to reference a non-existent value.
Solution
To resolve this issue:
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Close the error message
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Click into the format panel
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Remove or change the subheader field
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Refresh the page