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Error messages should link to explanation pages #173
The two most common issues in the forums are questions the two DataTables errors for unknown parameters and JSON encoding errors. The error messages do say what the issue is, but in the case of the unknown parameters, not what might be causing the issue, and for JSON not how to resolve it.
I think these error messages (and any others) should provide links to pages on DataTables.net which explain in detail what these errors are and how they can be resolved. Something like: "See http://datatables.net/error/json for more information" in the alert.
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Great idea! The "unknown parameters" warning is really confusing to inexperienced users. Most cases where I encountered it where when there was colspan/rowspan in a table, or incomplete HTML, like a missing quotation mark in a link in a cell: