{"error":"Error 42803: ERROR: column \"__event._row_ref\" must appear in the GROUP BY clause or be used in an aggregate function\nLINE 2: __Event._row_ref AS \"#\",\n ^\n\nFunction: MediaWiki\\Extension\\Xoo\\Xss\\Xss::doQuery\nQuery: SELECT \/* Template:SearchEventsAPI render *\/ \n\t__Event._row_ref AS \"#\",\n\t__Event._page_title AS \"#page\",\n\t(__Event.\"Text\") AS \"Text\",\n\t(__Event.\"Source\") AS \"Source\",\n\t(__Event.\"Start\") AS \"Start\",\n\t(__Event.\"End\") AS \"End\",\n\t(__Event.\"Festival\") AS \"Festival\",\n\t(__Event.\"Country\") AS \"Country\",\n\t(__Event.\"Url\") AS \"Url\",\n\t(__Event.\"Organizer_url\") AS \"Organizer_url\",\n\t(__Event.\"Work_url\") AS \"Work_url\",\n\t(__Event.\"Artist_url\") AS \"Artist_url\",\n\t(__Event.\"Artist2_url\") AS \"Artist2_url\",\n\t(__Event.\"More_url\") AS \"More_url\",\n\t(__Event.\"Description\") AS \"Description\",\n\t(__Event.\"Editcall\") AS \"Editcall\",\n\t(__Event.\"User\") AS \"User\",\n\t(__Event.\"Status\") AS \"Status\" \nFROM \"tbl_Event\" AS __Event \nWHERE (__Event.\"Status\" = 'published') \nGROUP BY __Event.\"Start\", __Event.\"End\" \nORDER BY __Event.\"Start\" DESC \nLIMIT 50 \nOFFSET 0\n"}