Error in note-list (2.1.0-beta.1)

[HRN65]

In note-list (Lists -> Shared Notes) I get the following error message after adding a note or shared note to an event.
Logging out makes the list display correctly

date/time "" does not match pattern "Y-m-d" …\app\Factories\TimestampFactory.php:68
#0 …\app\GedcomRecord.php(707): Fisharebest\Webtrees\Factories\TimestampFactory->fromString('', 'Y-m-d')
#1 …\resources\views\lists\notes-table.phtml(129): Fisharebest\Webtrees\GedcomRecord->lastChangeTimestamp()
#2 …\app\View.php(183): include('C:\wamp64\www\w...')
#3 …\app\View.php(278): Fisharebest\Webtrees\View->render()
#4 …\app\Helpers\functions.php(145): Fisharebest\Webtrees\View::make('lists/notes-tab...', Array)
#5 …\resources\views\modules\note-list\page.phtml(19): view('lists/notes-tab...', Array)
#6 …\app\View.php(183): include('C:\wamp64\www\w...')
#7 …\app\View.php(278): Fisharebest\Webtrees\View->render()
#8 …\app\Helpers\functions.php(145): Fisharebest\Webtrees\View::make('modules/note-li...', Array)
#9 …\app\Http\ViewResponseTrait.php(50): view('modules/note-li...', Array)
#10 …\app\Module\NoteListModule.php(161): Fisharebest\Webtrees\Module\AbstractModule->viewResponse('modules/note-li...', Array)
#11 …\app\Http\Middleware\RequestHandler.php(55): Fisharebest\Webtrees\Module\NoteListModule->handle(Object(Nyholm\Psr7\ServerRequest))
#12 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\RequestHandler->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#13 …\app\Module\HitCountFooterModule.php(157): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#14 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Module\HitCountFooterModule->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#15 …\app\Http\Middleware\CheckCsrf.php(76): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#16 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\CheckCsrf->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#17 …\vendor\oscarotero\middleland\src\Dispatcher.php(118): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#18 …\app\Webtrees.php(263): Middleland\Dispatcher->dispatch(Object(Nyholm\Psr7\ServerRequest))
#19 …\app\Http\Middleware\Router.php(150): Fisharebest\Webtrees\Webtrees::dispatch(Object(Nyholm\Psr7\ServerRequest), Array)
#20 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\Router->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#21 …\app\Http\Middleware\BootModules.php(60): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#22 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\BootModules->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#23 …\app\Http\Middleware\LoadRoutes.php(75): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#24 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\LoadRoutes->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#25 …\app\Http\Middleware\UseTransaction.php(45): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#26 …\vendor\illuminate\database\Concerns\ManagesTransactions.php(29): Fisharebest\Webtrees\Http\Middleware\UseTransaction::Fisharebest\Webtrees\Http\Middleware{closure}(Object(Illuminate\Database\MySqlConnection))
#27 …\app\Http\Middleware\UseTransaction.php(46): Illuminate\Database\Connection->transaction(Object(Closure), 3)
#28 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\UseTransaction->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#29 …\app\Http\Middleware\DoHousekeeping.php(73): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#30 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\DoHousekeeping->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#31 …\app\Http\Middleware\UseTheme.php(69): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#32 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\UseTheme->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#33 …\app\Http\Middleware\CheckForMaintenanceMode.php(51): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#34 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\CheckForMaintenanceMode->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#35 …\app\Http\Middleware\UseLanguage.php(71): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#36 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\UseLanguage->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#37 …\app\Http\Middleware\UseSession.php(78): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#38 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\UseSession->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#39 …\app\Http\Middleware\UpdateDatabaseSchema.php(57): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#40 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\UpdateDatabaseSchema->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#41 …\app\Http\Middleware\UseDatabase.php(118): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#42 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\UseDatabase->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#43 …\app\Http\Middleware\BadBotBlocker.php(232): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#44 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\BadBotBlocker->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#45 …\app\Http\Middleware\CompressResponse.php(73): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#46 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\CompressResponse->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#47 …\app\Http\Middleware\ContentLength.php(40): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#48 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\ContentLength->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#49 …\vendor\middlewares\client-ip\src\ClientIp.php(65): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#50 …\app\Http\Middleware\ClientIp.php(47): Middlewares\ClientIp->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#51 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\ClientIp->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#52 …\app\Http\Middleware\HandleExceptions.php(90): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#53 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\HandleExceptions->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#54 …\app\Http\Middleware\BaseUrl.php(78): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#55 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\BaseUrl->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#56 …\app\Http\Middleware\ReadConfigIni.php(68): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#57 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\ReadConfigIni->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#58 …\app\Http\Middleware\SecurityHeaders.php(48): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#59 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\SecurityHeaders->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#60 …\app\Http\Middleware\EmitResponse.php(57): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#61 …\vendor\oscarotero\middleland\src\Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\EmitResponse->process(Object(Nyholm\Psr7\ServerRequest), Object(Middleland\Dispatcher))
#62 …\vendor\oscarotero\middleland\src\Dispatcher.php(118): Middleland\Dispatcher->handle(Object(Nyholm\Psr7\ServerRequest))
#63 …\app\Webtrees.php(263): Middleland\Dispatcher->dispatch(Object(Nyholm\Psr7\ServerRequest))
#64 …\app\Webtrees.php(250): Fisharebest\Webtrees\Webtrees::dispatch(Object(Nyholm\Psr7\ServerRequest), Array)
#65 …\index.php(51): Fisharebest\Webtrees\Webtrees->httpRequest()
#66 {main}

[fisharebest]

I guess you have a CHAN record with a missing/invalid DATE.