Error message in JIRA log when exporting issues without reporter

We found that when a user doesn't have modify reporter permission, and use Issues>Search for issues>Export>Export XLXS(current fields) to export issues without reporter(reporter field is anonymous), there will be error message in JIRA log. One error message for one issue.

/sr/com.xpandit.plugins.jiraxporter:xporter-currentfield-xlsx/temp/SearchRequest.xlsx [c.x.jiraxporter.mapping.IssueMappingLoader] Error retrieving field ReporterId.