Fix warning

htdocs/core/modules/modAgenda.class.php

@@ -392,14 +392,14 @@ class modAgenda extends DolibarrModules
 		$this->export_sql_start[$r]='SELECT DISTINCT ';
 		$this->export_sql_end[$r]  =' FROM  '.MAIN_DB_PREFIX.'actioncomm as ac';
 		$this->export_sql_end[$r] .=' LEFT JOIN '.MAIN_DB_PREFIX.'c_actioncomm as cac on ac.fk_action = cac.id';
-		if (empty($user->rights->agenda->allactions->read)) $this->export_sql_end[$r] .=' LEFT JOIN '.MAIN_DB_PREFIX.'actioncomm_resources acr on ac.id = acr.fk_actioncomm';
+		if (! empty($user) && empty($user->rights->agenda->allactions->read)) $this->export_sql_end[$r] .=' LEFT JOIN '.MAIN_DB_PREFIX.'actioncomm_resources acr on ac.id = acr.fk_actioncomm';
 		$this->export_sql_end[$r] .=' LEFT JOIN '.MAIN_DB_PREFIX.'socpeople as sp on ac.fk_contact = sp.rowid';
 		$this->export_sql_end[$r] .=' LEFT JOIN '.MAIN_DB_PREFIX.'societe as s on ac.fk_soc = s.rowid';
-		if (empty($user->rights->societe->client->voir)) $this->export_sql_end[$r] .=' LEFT JOIN '.MAIN_DB_PREFIX.'societe_commerciaux as sc ON sc.fk_soc = s.rowid';
+		if (! empty($user) && empty($user->rights->societe->client->voir)) $this->export_sql_end[$r] .=' LEFT JOIN '.MAIN_DB_PREFIX.'societe_commerciaux as sc ON sc.fk_soc = s.rowid';
 		$this->export_sql_end[$r] .=' LEFT JOIN '.MAIN_DB_PREFIX.'c_country as co on s.fk_pays = co.rowid';
 		$this->export_sql_end[$r] .=' WHERE ac.entity IN ('.getEntity('agenda',1).')';
-		if (empty($user->rights->societe->client->voir)) $this->export_sql_end[$r] .=' AND (sc.fk_user = '.$user->id.' OR ac.fk_soc IS NULL)';
-		if (empty($user->rights->agenda->allactions->read)) $this->export_sql_end[$r] .=' AND acr.fk_element = '.$user->id;
+		if (! empty($user) && empty($user->rights->societe->client->voir)) $this->export_sql_end[$r] .=' AND (sc.fk_user = '.$user->id.' OR ac.fk_soc IS NULL)';
+		if (! empty($user) && empty($user->rights->agenda->allactions->read)) $this->export_sql_end[$r] .=' AND acr.fk_element = '.$user->id;
 		$this->export_sql_end[$r] .=' ORDER BY ac.datep';
 
 	}