An AJAX HTTP error occurred.
HTTP Result Code: 200
Debugging information follows.
Path: /update.php/start?id=4&op=do_nojs&op=do
StatusText: OK
ResponseText: 
( ! ) Fatal error: require(): Failed opening required '/home/bruno/workspace/braintree_cashier_test/drupal-project/web/modules/contrib/braintree_cashier/src/Entity/BillingPlan.php' (include_path='/home/bruno/workspace/braintree_cashier_test/drupal-project/vendor/pear/archive_tar:/home/bruno/workspace/braintree_cashier_test/drupal-project/vendor/pear/console_getopt:/home/bruno/workspace/braintree_cashier_test/drupal-project/vendor/pear/pear-core-minimal/src:/home/bruno/workspace/braintree_cashier_test/drupal-project/vendor/pear/pear_exception:.:/usr/share/php') in /home/bruno/workspace/braintree_cashier_test/drupal-project/vendor/symfony/class-loader/ApcClassLoader.php on line 112
Call Stack
#TimeMemoryFunctionLocation
10.0329399840{main}(  ).../update.php:0
20.0425592120Drupal\Core\Update\UpdateKernel->handle( ???, ???, ??? ).../update.php:28
33.55366954632Drupal\Core\Update\UpdateKernel->handleRaw( ??? ).../UpdateKernel.php:76
43.58847494192call_user_func_array:{/home/bruno/workspace/braintree_cashier_test/drupal-project/web/core/lib/Drupal/Core/Update/UpdateKernel.php:115}
( ???, ??? ).../UpdateKernel.php:115
53.58847494600Drupal\system\Controller\DbUpdateController->handle( ???, ??? ).../UpdateKernel.php:115
64.799812929904_batch_page( ??? ).../DbUpdateController.php:186
74.803113021840_batch_do(  ).../batch.inc:93
84.803113021840_batch_process(  ).../batch.inc:137
94.803713031656update_do_one( ???, ???, ???, ??? ).../batch.inc:295
104.803713031712braintree_cashier_update_8301( ??? ).../update.inc:184
114.813514409656Drupal\field\Entity\FieldStorageConfig->save(  ).../braintree_cashier.install:134
124.813514409656Drupal\field\Entity\FieldStorageConfig->save(  ).../ConfigEntityBase.php:613
134.813614409656Drupal\field\FieldStorageConfigStorage->save( ??? ).../EntityBase.php:394
144.813614409712Drupal\field\FieldStorageConfigStorage->save( ??? ).../ConfigEntityStorage.php:263
154.813614409712Drupal\field\FieldStorageConfigStorage->doPreSave( ??? ).../EntityStorageBase.php:445
164.814114413400Drupal\field\Entity\FieldStorageConfig->preSave( ??? ).../EntityStorageBase.php:490
174.814314414456Drupal\field\Entity\FieldStorageConfig->preSaveUpdated( ??? ).../FieldStorageConfig.php:297
184.817714447832Drupal\Core\Field\FieldStorageDefinitionListener->onFieldStorageDefinitionUpdate( ???, ??? ).../FieldStorageConfig.php:385
194.821914879048Drupal\Core\Entity\Sql\SqlContentEntityStorage->onFieldStorageDefinitionUpdate( ???, ??? ).../FieldStorageDefinitionListener.php:104
204.821914879744Drupal\Core\Entity\Sql\SqlContentEntityStorage->wrapSchemaException( ??? ).../SqlContentEntityStorage.php:1565
214.821914879744Drupal\Core\Entity\Sql\SqlContentEntityStorage->Drupal\Core\Entity\Sql\{closure:/home/bruno/workspace/braintree_cashier_test/drupal-project/web/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php:1561-1565}(  ).../SqlContentEntityStorage.php:1607
224.822114955872Drupal\Core\Entity\Sql\SqlContentEntityStorageSchema->onFieldStorageDefinitionUpdate( ???, ??? ).../SqlContentEntityStorage.php:1562
234.822114956568Drupal\Core\Entity\Sql\SqlContentEntityStorageSchema->performFieldSchemaOperation( ???, ???, ??? ).../SqlContentEntityStorageSchema.php:617
244.823214961216Drupal\Core\Entity\Sql\SqlContentEntityStorageSchema->updateDedicatedTableSchema( ???, ??? ).../SqlContentEntityStorageSchema.php:1469
254.823214961216Drupal\Core\Entity\Sql\SqlContentEntityStorage->countFieldData( ???, ??? ).../SqlContentEntityStorageSchema.php:1662
264.824414969200Drupal\field\Entity\FieldStorageConfig->getColumns(  ).../SqlContentEntityStorage.php:1764
274.824414969200Drupal\field\Entity\FieldStorageConfig->getSchema(  ).../FieldStorageConfig.php:490
284.830215285616Drupal\Core\Field\Plugin\Field\FieldType\EntityReferenceItem::schema( ??? ).../FieldStorageConfig.php:453
294.830315285616Drupal\Core\Entity\EntityManager->getDefinition( ???, ??? ).../EntityReferenceItem.php:117
304.830315285616Drupal\Core\Entity\EntityTypeManager->getDefinition( ???, ??? ).../EntityManager.php:55
314.830315285616class_exists
( ??? ).../EntityTypeManager.php:143
324.830315285696spl_autoload_call
( ??? ).../EntityTypeManager.php:143
334.830315285776Symfony\Component\ClassLoader\ApcClassLoader->loadClass( ??? ).../EntityTypeManager.php:143