diff --git a/lib/GroupHelper.php b/lib/GroupHelper.php
index fbbf817e7..b7be1ade4 100644
--- a/lib/GroupHelper.php
+++ b/lib/GroupHelper.php
@@ -67,9 +67,8 @@ public function addEvent(int $id, IEvent $event): void {
 				}
 			} catch (UnknownActivityException) {
 			} catch (\InvalidArgumentException) {
-				// todo 33.0.0 Log as warning
 				// todo 39.0.0 Log as error
-				$this->logger->debug(get_class($provider) . '::parse() threw \InvalidArgumentException which is deprecated. Throw \OCP\Activity\Exceptions\UnknownActivityException when the event is not known to your provider and otherwise handle all \InvalidArgumentException yourself.', ['app' => $event->getApp()]);
+				$this->logger->warning(get_class($provider) . '::parse() threw \InvalidArgumentException which is deprecated. Throw \OCP\Activity\Exceptions\UnknownActivityException when the event is not known to your provider and otherwise handle all \InvalidArgumentException yourself.', ['app' => $event->getApp()]);
 			} catch (\Throwable $e) {
 				$this->logger->error('Error while parsing activity event', ['exception' => $e, 'app' => $event->getApp()]);
 			}
diff --git a/lib/NotificationGenerator.php b/lib/NotificationGenerator.php
index 43dfc6d1b..99e3e3b70 100644
--- a/lib/NotificationGenerator.php
+++ b/lib/NotificationGenerator.php
@@ -82,9 +82,8 @@ private function populateEvent(IEvent $event, string $language) {
 				$event = $provider->parse($language, $event);
 			} catch (UnknownActivityException) {
 			} catch (\InvalidArgumentException $e) {
-				// todo 33.0.0 Log as warning
 				// todo 39.0.0 Log as error
-				$this->logger->debug(get_class($provider) . '::parse() threw \InvalidArgumentException which is deprecated. Throw \OCP\Activity\Exceptions\UnknownActivityException when the event is not known to your provider and otherwise handle all \InvalidArgumentException yourself.');
+				$this->logger->warning(get_class($provider) . '::parse() threw \InvalidArgumentException which is deprecated. Throw \OCP\Activity\Exceptions\UnknownActivityException when the event is not known to your provider and otherwise handle all \InvalidArgumentException yourself.');
 			}
 		}
 		$this->activityManager->setFormattingObject('', 0);