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unserialize(): Error at offset 0 of 18 bytes

I’m doing a migration from Drupal 7 to Drupal 8. Its utilizing a MYSQL database (Server model: 8.0.26-0ubuntu0.20.04.2 (Ubuntu)). With this one specific node kind after I drush cr after which reload Drupal Developer web page I’m given Drupal Developer following error:

Discover: unserialize(): Error at offset 0 of 18 bytes in DrupalCoreEntitySqlSqlContentEntityStorage->loadFromDedicatedTables() (line 1288 of core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php).  DrupalCoreEntitySqlSqlContentEntityStorage->loadFromDedicatedTables(Array, ) (Line: 524) DrupalCoreEntitySqlSqlContentEntityStorage->mapFromStorageRecords(Array) (Line: 449) DrupalCoreEntitySqlSqlContentEntityStorage->getFromStorage(Array) (Line: 415) DrupalCoreEntitySqlSqlContentEntityStorage->doLoadMultiple(Array) (Line: 300) DrupalCoreEntityEntityStorageBase->loadMultiple(Array) (Line: 139) DrupalCoreFieldPluginFieldFieldFormatterEntityReferenceFormatterBase->prepareView(Array) (Line: 245) DrupalCoreEntityEntityEntityViewDisplay->buildMultiple(Array) (Line: 351) DrupalCoreEntityEntityViewBuilder->buildComponents(Array, Array, Array, 'full') (Line: 24) DrupalnodeNodeViewBuilder->buildComponents(Array, Array, Array, 'full') (Line: 293) DrupalCoreEntityEntityViewBuilder->buildMultiple(Array) (Line: 250) DrupalCoreEntityEntityViewBuilder->construct(Array) call_user_func_array(Array, Array) (Line: 100) DrupalCoreRenderRenderer->doTrustedCallback(Array, Array, 'Render #pre_render callbacks should be strategies of a category that implements DrupalCoreSecurityTrustedCallbackInterface or be an nameless operate. Drupal Development callback was %s. Help for this callback implementation is deprecated in 8.8.0 and can be eliminated in Drupal 9.0.0. See https://www.drupal.org/node/2966725', 'silenced_deprecation', 'DrupalCoreRenderElementRenderCallbackInterface') (Line: 781) DrupalCoreRenderRenderer->doCallback('#pre_render', Array, Array) (Line: 372) DrupalCoreRenderRenderer->doRender(Array, ) (Line: 200) DrupalCoreRenderRenderer->render(Array, ) (Line: 226) DrupalCoreRenderMainContentHtmlRenderer->DrupalCoreRenderMainContent{closure}() (Line: 573) DrupalCoreRenderRenderer->executeInRenderContext(Object, Object) (Line: 227) DrupalCoreRenderMainContentHtmlRenderer->put together(Array, Object, Object) (Line: 117) DrupalCoreRenderMainContentHtmlRenderer->renderResponse(Array, Object, Object) (Line: 90) DrupalCoreEventSubscriberMainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object) call_user_func(Array, Object, 'kernel.view', Object) (Line: 111) DrupalComponentEventDispatcherContainerAwareEventDispatcher->dispatch('kernel.view', Object) (Line: 156) SymfonyComponentHttpKernelHttpKernel->handleRaw(Object, 1) (Line: 68) SymfonyComponentHttpKernelHttpKernel->deal with(Object, 1, 1) (Line: 57) DrupalCoreStackMiddlewareSession->deal with(Object, 1, 1) (Line: 47) DrupalCoreStackMiddlewareKernelPreHandle->deal with(Object, 1, 1) (Line: 106) Drupalpage_cacheStackMiddlewarePageCache->cross(Object, 1, 1) (Line: 85) Drupalpage_cacheStackMiddlewarePageCache->deal with(Object, 1, 1) (Line: 47) DrupalCoreStackMiddlewareReverseProxyMiddleware->deal with(Object, 1, 1) (Line: 52) DrupalCoreStackMiddlewareNegotiationMiddleware->deal with(Object, 1, 1) (Line: 23) StackStackedHttpKernel->deal with(Object, 1, 1) (Line: 708) DrupalCoreDrupalKernel->deal with(Object) (Line: 19)

From messing round I can see that its brought on by a entity reference area. I’m utilizing Drupal Developer bootstrap 4 theme and have a template override. Drupal Development over journey for that individual area is as follows:

      {% if content material.field_business.0%}         <div class="dimension col-xs-12 col-md-4 col-lg-2 text-break">           <p>Retailer: {{ content material.field_business.0 }}</p>         </div>       {% endif %}       </div>

Taking a look at Drupal Developer database desk for Drupal Developer specific node and Drupal Developer remainder of them I carn’t see any junk knowledge:

mysql> desc node__field_business; +--------------------------+--------------+------+-----+---------+-------+ | Subject                    | Sort         | Null | Key | Default | Further | +--------------------------+--------------+------+-----+---------+-------+ | bundle                   | varchar(128) | NO   | MUL |         |       | | deleted                  | tinyint      | NO   | PRI | 0       |       | | entity_id                | int unsigned | NO   | PRI | NULL    |       | | revision_id              | int unsigned | NO   | MUL | NULL    |       | | langcode                 | varchar(32)  | NO   | PRI |         |       | | delta                    | int unsigned | NO   | PRI | NULL    |       | | field_business_target_id | int unsigned | NO   | MUL | NULL    |       | +--------------------------+--------------+------+-----+---------+-------+ 7 rows in set (0.01 sec)  mysql> choose entity_id, field_business_target_id from node__field_business the place entity_id="429"; +-----------+--------------------------+ | entity_id | field_business_target_id | +-----------+--------------------------+ |       429 |                      267 | +-----------+--------------------------+ 1 row in set (0.00 sec)  mysql>

There additionally doesn’t appear to be something in Drupal Developer apache2 error.log:

o 4.8                                                      error.log                                                                  [Sun Oct 03 00:00:21.635998 2021] [mpm_prefork:notice] [pid 1757] AH00163: Apache/2.4.41 (Ubuntu) configured -- resuming regular operations [Sun Oct 03 00:00:21.636036 2021] [core:notice] [pid 1757] AH00094: Command line: '/usr/sbin/apache2' [Sun Oct 03 01:19:18.993276 2021] [mpm_prefork:notice] [pid 1757] AH00169: caught SIGTERM, shutting down [Sun Oct 03 10:13:42.699740 2021] [mpm_prefork:notice] [pid 1666] AH00163: Apache/2.4.41 (Ubuntu) configured -- resuming regular operations [Sun Oct 03 10:13:42.709982 2021] [core:notice] [pid 1666] AH00094: Command line: '/usr/sbin/apache2' [Sun Oct 03 13:23:39.109602 2021] [mpm_prefork:notice] [pid 1666] AH00169: caught SIGTERM, shutting down [Sun Oct 03 19:14:05.151979 2021] [mpm_prefork:notice] [pid 1678] AH00163: Apache/2.4.41 (Ubuntu) configured -- resuming regular operations [Sun Oct 03 19:14:05.152317 2021] [core:notice] [pid 1678] AH00094: Command line: '/usr/sbin/apache2'

Has anybody acquired any concepts how I might bother shoot this? I’m fairly certain its not Drupal Developer theme template thats inflicting Drupal Developer problem, since I rename Drupal Developer template (so its not used), clear Drupal Developer cache and Drupal Developer error remains to be there after I refresh Drupal Developer web page. So far as I can see Drupal Developer knowledge in desk in seems to be okay to me.

Any assistance is enormously appreciated,

Mark.

This article was republished from its original source.
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