1. PHP 8.2.10; Phorge at `7868ab3754fad13714640451d664d5bc71b7a02f`
2. As an admin, set http://phorge.localhost/config/edit/maniphest.custom-field-definitions/ to :
```
{
"release.date": {
"name": "Release Date",
"edit": true,
"view": true,
"description": "Scheduled date for the release or deployment",
"search": true,
"fulltext": false,
"type": "date",
"copy": false
}
}
```
3. Go to edit an existing task like http://phorge.localhost/maniphest/task/edit/13/ with no Due Date field value set
4. Under `Tags`, select the magnifier icon
5. Search for an existing project and click `Select` button
6. Click `Save Changes` button
```
[2023-09-04 12:17:56] EXCEPTION: (RuntimeException) strlen(): Passing null to parameter #1 ($string) of type string is deprecated at [<arcanist>/src/error/PhutilErrorHandler.php:261]
arcanist(head=customOAuthUrlencodeNull, ref.master=df6c315ace5f, ref.customOAuthUrlencodeNull=c69b9749027f), phorge(head=master, ref.master=7868ab3754fa)
#0 <#2> PhutilErrorHandler::handleError(integer, string, string, integer) called at [<phorge>/src/infrastructure/customfield/standard/PhabricatorStandardCustomFieldDate.php:14]
#1 <#2> PhabricatorStandardCustomFieldDate::buildFieldIndexes() called at [<phorge>/src/infrastructure/customfield/field/PhabricatorCustomField.php:664]
#2 <#2> PhabricatorCustomField::buildFieldIndexes() called at [<phorge>/src/infrastructure/customfield/field/PhabricatorCustomFieldList.php:268]
#3 <#2> PhabricatorCustomFieldList::rebuildIndexes(ManiphestTask) called at [<phorge>/src/applications/transactions/editor/PhabricatorApplicationTransactionEditor.php:1539]
#4 <#2> PhabricatorApplicationTransactionEditor::applyTransactions(ManiphestTask, array) called at [<phorge>/src/applications/transactions/editengine/PhabricatorEditEngine.php:1149]
#5 <#2> PhabricatorEditEngine::buildEditResponse(ManiphestTask) called at [<phorge>/src/applications/transactions/editengine/PhabricatorEditEngine.php:1000]
#6 <#2> PhabricatorEditEngine::buildResponse() called at [<phorge>/src/applications/maniphest/controller/ManiphestTaskEditController.php:12]
#7 <#2> ManiphestTaskEditController::handleRequest(AphrontRequest) called at [<phorge>/src/aphront/configuration/AphrontApplicationConfiguration.php:284]
#8 phlog(RuntimeException) called at [<phorge>/src/aphront/handler/PhabricatorDefaultRequestExceptionHandler.php:41]
#9 PhabricatorDefaultRequestExceptionHandler::handleRequestThrowable(AphrontRequest, RuntimeException) called at [<phorge>/src/aphront/configuration/AphrontApplicationConfiguration.php:751]
#10 AphrontApplicationConfiguration::handleThrowable(RuntimeException) called at [<phorge>/src/aphront/configuration/AphrontApplicationConfiguration.php:296]
#11 AphrontApplicationConfiguration::processRequest(AphrontRequest, PhutilDeferredLog, AphrontPHPHTTPSink, MultimeterControl) called at [<phorge>/src/aphront/configuration/AphrontApplicationConfiguration.php:203]
#12 AphrontApplicationConfiguration::runHTTPRequest(AphrontPHPHTTPSink) called at [<phorge>/webroot/index.php:35]
```