Cannot delete user defined filters

org.apache.velocity.exception.MethodInvocationException: Invocation of method 'deleteFilterPreference' in class org.xwiki.notifications.filters.script.NotificationFiltersScriptService threw exception org.xwiki.notifications.NotificationException: Cannot guess internal id of preference with id [watchlist_PAGE_8c0c7a42827cd6728bfca4f89ca76a7c3396451288b1e0712ed59b17d173b693].
 at xwiki:XWiki.Notifications.Code.NotificationPreferenceService[line 56, column 32]
 [...]
 at java.base/java.lang.Thread.run(Thread.java:829) Caused by: org.xwiki.notifications.NotificationException: Cannot guess internal id of preference with id [watchlist_PAGE_8c0c7a42827cd6728bfca4f89ca76a7c3396451288b1e0712ed59b17d173b693].
 at org.xwiki.notifications.filters.internal.NotificationFilterPreferenceStore.getInternalIdFromId(NotificationFilterPreferenceStore.java:303)
 at org.xwiki.notifications.filters.internal.NotificationFilterPreferenceStore.deleteFilterPreferences(NotificationFilterPreferenceStore.java:240)
 at org.xwiki.notifications.filters.internal.DefaultFilterPreferencesModelBridge.deleteFilterPreferences(DefaultFilterPreferencesModelBridge.java:152)
 at org.xwiki.notifications.filters.internal.CachedFilterPreferencesModelBridge.deleteFilterPreferences(CachedFilterPreferencesModelBridge.java:160)
 at org.xwiki.notifications.filters.internal.UserProfileNotificationFilterPreferenceProvider.deleteFilterPreferences(UserProfileNotificationFilterPreferenceProvider.java:87)
 at org.xwiki.notifications.filters.internal.DefaultNotificationFilterPreferenceManager.deleteFilterPreferences(DefaultNotificationFilterPreferenceManager.java:184)
 at org.xwiki.notifications.filters.internal.DefaultNotificationFilterPreferenceManager.deleteFilterPreference(DefaultNotificationFilterPreferenceManager.java:173)
 at org.xwiki.notifications.filters.script.NotificationFiltersScriptService.deleteFilterPreference(NotificationFiltersScriptService.java:280)
 at jdk.internal.reflect.GeneratedMethodAccessor6181.invoke(Unknown Source)
 at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.base/java.lang.reflect.Method.invoke(Method.java:566)
 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:571)
 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554)
 at org.xwiki.velocity.introspection.MethodArgumentsUberspector$ConvertingVelMethod.invoke(MethodArgumentsUberspector.java:306)
 at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221) ... 233 more