prefs: don't try to do anything on schema < 141

classes/prefs.php

@@ -203,6 +203,7 @@ class Prefs {
 			}
 		}
 
+		if (get_schema_version(true) >= 141) {
 			// fill in any overrides from the database
 			$sth = $this->pdo->prepare("SELECT pref_name, value FROM ttrss_user_prefs2
 									WHERE owner_uid = :uid AND
@@ -214,6 +215,7 @@ class Prefs {
 				$this->_set_cache($row["pref_name"], $row["value"], $owner_uid, $profile_id);
 			}
 		}
+	}
 
 	static function get(string $pref_name, int $owner_uid, int $profile_id = null) {
 		return self::get_instance()->_get($pref_name, $owner_uid, $profile_id);
@@ -225,6 +227,10 @@ class Prefs {
 
 			list ($def_val, $type_hint) = self::_DEFAULTS[$pref_name];
 
+			if (get_schema_version(true) < 141) {
+				return Config::cast_to($def_val, $type_hint);
+			}
+
 			$cached_value = $this->_get_cache($pref_name, $owner_uid, $profile_id);
 
 			if (!empty($cached_value)) {