Deprecated function: explode(): Passing null to parameter #2

Problem/Motivation

Getting decprecated function errors that are different from others found in the issues, when enabling/configuring the GA module on Drupal 9.3.16

    Deprecated function: explode(): Passing null to parameter #2 ($string) of type string is deprecated in Drupal\google_analytics\Form\GoogleAnalyticsAdminSettingsForm->buildForm() (line 113 of modules/contrib/google_analytics/src/Form/GoogleAnalyticsAdminSettingsForm.php).

    Drupal\google_analytics\Form\GoogleAnalyticsAdminSettingsForm->buildForm(Array, Object)
    call_user_func_array(Array, Array) (Line: 531)
    Drupal\Core\Form\FormBuilder->retrieveForm('google_analytics_admin_settings', Object) (Line: 278)
    Drupal\Core\Form\FormBuilder->buildForm(Object, Object) (Line: 73)
    Drupal\Core\Controller\FormController->getContentResult(Object, Object)
    call_user_func_array(Array, Array) (Line: 123)
    Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 564)
    Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 124)
    Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)
    Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 158)
    Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 80)
    Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
    Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
    Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 708)
    Drupal\Core\DrupalKernel->handle(Object) (Line: 19)

    Deprecated function: explode(): Passing null to parameter #2 ($string) of type string is deprecated in Drupal\google_analytics\Form\GoogleAnalyticsAdminSettingsForm->buildForm() (line 113 of modules/contrib/google_analytics/src/Form/GoogleAnalyticsAdminSettingsForm.php).

    Drupal\google_analytics\Form\GoogleAnalyticsAdminSettingsForm->buildForm(Array, Object)
    call_user_func_array(Array, Array) (Line: 531)
    Drupal\Core\Form\FormBuilder->retrieveForm('google_analytics_admin_settings', Object) (Line: 278)
    Drupal\Core\Form\FormBuilder->buildForm(Object, Object) (Line: 73)
    Drupal\Core\Controller\FormController->getContentResult(Object, Object)
    call_user_func_array(Array, Array) (Line: 123)
    Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 564)
    Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 124)
    Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)
    Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 158)
    Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 80)
    Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
    Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
    Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 708)
    Drupal\Core\DrupalKernel->handle(Object) (Line: 19)

    Deprecated function: explode(): Passing null to parameter #2 ($string) of type string is deprecated in Drupal\google_analytics\Form\GoogleAnalyticsAdminSettingsForm->buildForm() (line 113 of modules/contrib/google_analytics/src/Form/GoogleAnalyticsAdminSettingsForm.php).

    Drupal\google_analytics\Form\GoogleAnalyticsAdminSettingsForm->buildForm(Array, Object)
    call_user_func_array(Array, Array) (Line: 531)
    Drupal\Core\Form\FormBuilder->retrieveForm('google_analytics_admin_settings', Object) (Line: 278)
    Drupal\Core\Form\FormBuilder->buildForm(Object, Object) (Line: 73)
    Drupal\Core\Controller\FormController->getContentResult(Object, Object)
    call_user_func_array(Array, Array) (Line: 123)
    Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 564)
    Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 124)
    Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)
    Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 158)
    Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 80)
    Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
    Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
    Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 708)
    Drupal\Core\DrupalKernel->handle(Object) (Line: 19)

Steps to reproduce

Proposed resolution

Remaining tasks

User interface changes

API changes

Data model changes