Problem/Motivation
Wanted to use with better exposed form
Getting this error after enabling the module
ypeError: Unsupported operand types: string - int in Drupal\views_ef_fieldset\Plugin\views\display_extender\ViewsEFFieldset->buildOptionsForm() (line 201 of /var/www/web/modules/contrib/views_ef_fieldset/src/Plugin/views/display_extender/ViewsEFFieldset.php)
#0 /var/www/web/core/modules/views/src/Plugin/views/display/DisplayPluginBase.php(1871): Drupal\views_ef_fieldset\Plugin\views\display_extender\ViewsEFFieldset->buildOptionsForm(Array, Object(Drupal\Core\Form\FormState))
#1 /var/www/web/core/modules/views/src/Plugin/views/display/PathPluginBase.php(440): Drupal\views\Plugin\views\display\DisplayPluginBase->buildOptionsForm(Array, Object(Drupal\Core\Form\FormState))
#2 /var/www/web/core/modules/views/src/Plugin/views/display/Page.php(257): Drupal\views\Plugin\views\display\PathPluginBase->buildOptionsForm(Array, Object(Drupal\Core\Form\FormState))
#3 /var/www/web/core/modules/views_ui/src/Form/Ajax/Display.php(74): Drupal\views\Plugin\views\display\Page->buildOptionsForm(Array, Object(Drupal\Core\Form\FormState))
#4 [internal function]: Drupal\views_ui\Form\Ajax\Display->buildForm(Array, Object(Drupal\Core\Form\FormState))
#5 /var/www/web/core/lib/Drupal/Core/Form/FormBuilder.php(531): call_user_func_array(Array, Array)
#6 /var/www/web/core/lib/Drupal/Core/Form/FormBuilder.php(278): Drupal\Core\Form\FormBuilder->retrieveForm('views_ui_edit_d...', Object(Drupal\Core\Form\FormState))
#7 /var/www/web/core/modules/views_ui/src/Form/Ajax/ViewsFormBase.php(215): Drupal\Core\Form\FormBuilder->buildForm('Drupal\\views_ui...', Object(Drupal\Core\Form\FormState))
#8 /var/www/web/core/lib/Drupal/Core/Render/Renderer.php(564): Drupal\views_ui\Form\Ajax\ViewsFormBase->Drupal\views_ui\Form\Ajax\{closure}()
#9 /var/www/web/core/modules/views_ui/src/Form/Ajax/ViewsFormBase.php(217): Drupal\Core\Render\Renderer->executeInRenderContext(Object(Drupal\Core\Render\RenderContext), Object(Closure))
#10 /var/www/web/core/modules/views_ui/src/Form/Ajax/ViewsFormBase.php(127): Drupal\views_ui\Form\Ajax\ViewsFormBase->ajaxFormWrapper('Drupal\\views_ui...', Object(Drupal\Core\Form\FormState))
#11 /var/www/web/core/modules/views_ui/src/Form/Ajax/Display.php(46): Drupal\views_ui\Form\Ajax\ViewsFormBase->getForm(Object(Drupal\views_ui\ViewUI), 'application_lis...', 'ajax')
#12 [internal function]: Drupal\views_ui\Form\Ajax\Display->getForm(Object(Drupal\views_ui\ViewUI), 'application_lis...', 'ajax', 'exposed_form_op...')
#13 /var/www/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(123): call_user_func_array(Array, Array)
#14 /var/www/web/core/lib/Drupal/Core/Render/Renderer.php(564): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}()
#15 /var/www/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(124): Drupal\Core\Render\Renderer->executeInRenderContext(Object(Drupal\Core\Render\RenderContext), Object(Closure))
#16 /var/www/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(97): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array)
#17 /var/www/vendor/symfony/http-kernel/HttpKernel.php(158): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}()
#18 /var/www/vendor/symfony/http-kernel/HttpKernel.php(80): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1)
#19 /var/www/web/core/lib/Drupal/Core/StackMiddleware/Session.php(58): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#20 /var/www/web/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(48): Drupal\Core\StackMiddleware\Session->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#21 /var/www/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(106): Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#22 /var/www/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(85): Drupal\page_cache\StackMiddleware\PageCache->pass(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#23 /var/www/web/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(48): Drupal\page_cache\StackMiddleware\PageCache->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#24 /var/www/web/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(51): Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#25 /var/www/vendor/stack/builder/src/Stack/StackedHttpKernel.php(23): Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#26 /var/www/web/core/lib/Drupal/Core/DrupalKernel.php(708): Stack\StackedHttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#27 /var/www/web/index.php(19): Drupal\Core\DrupalKernel->handle(Object(Symfony\Component\HttpFoundation\Request))
#28 {main}
Steps to reproduce
1. enable module
2. Click views exposed form setting in advanced section
Proposed resolution
N/A
Remaining tasks
fix code
User interface changes
N/A
API changes
N/A
Data model changes
N/A