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With Configuration>Rules > Editing reaction Rule<br>
Is there an explanation for the Data Selector and associated error
messages such as: <br>
The integrity check failed with the following error message: "Data
selector <em class="placeholder">node:author:roles:</em> for
parameter <em class="placeholder">account</em> is invalid."<br>
There seems to be no hint or clue how to use this tool?<br>
Can someone throw some light on Rules please, it may be that it
would solve the workflow previously asked about.<br>
Thanks in advance<br>
Roger<br>
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