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<?xml-stylesheet type="text/xsl" href="https://community.appian.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>process model</title><link>https://community.appian.com/discussions/f/process/18472/process-model</link><description>I used supervisor(pv!requestor) to assign a task in sub process model. 
 Problem: An invalid expression has been encountered. 
 Details: An error occurred while evaluating expression: =supervisor(pv!requestor) (Expression evaluation error at function</description><dc:language>en-US</dc:language><generator>Telligent Community 12</generator><item><title>RE: process model</title><link>https://community.appian.com/thread/72707?ContentTypeID=1</link><pubDate>Thu, 19 Mar 2020 10:17:01 GMT</pubDate><guid isPermaLink="false">d3a83456-d57b-489c-a84c-4e8267bb592a:f509b894-b166-4dae-8cfa-fa6fc04a7316</guid><dc:creator>Ashwin </dc:creator><description>&lt;p&gt;Hello robelt,&lt;/p&gt;
&lt;p&gt;&lt;/p&gt;
&lt;p&gt;As per the error it says the requester does not have a &lt;span&gt;supervisor&amp;nbsp;so kindly navigate to user tab from designer and look for supervisor field in the user&amp;nbsp;&amp;nbsp; information tab of the &lt;b&gt;requestor&amp;nbsp;&lt;/b&gt;kindly add supervisor&amp;nbsp;then try&amp;nbsp;&lt;/span&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>