Uncaught TYPO3 Exception
#1446996319: Configuration retrieved from FlexForm is incomplete or not of type "inline". (More information)

UnexpectedValueException thrown in file
/var/www/vhosts/php-sources/typo3_src-7/typo3/sysext/backend/Classes/Controller/FormInlineAjaxController.php in line 811.

10 TYPO3\CMS\Backend\Controller\FormInlineAjaxController::getParentConfigFromFlexForm(array, "data-191-tt_content-1031-pi_flexform---data---sDEF---lDEF---image2---vDEF-sys_file_reference")

/var/www/vhosts/php-sources/typo3_src-7/typo3/sysext/backend/Classes/Controller/FormInlineAjaxController.php:
00102: 
00103:         if ($parentConfig['type'] === 'flex') {
00104:             $parentConfig = $this->getParentConfigFromFlexForm($parentConfig, $domObjectId);
00105:         }
00106:         $childTableName = $parentConfig['foreign_table'];

9 TYPO3\CMS\Backend\Controller\FormInlineAjaxController::createAction(TYPO3\CMS\Core\Http\ServerRequest, TYPO3\CMS\Core\Http\Response)
8 call_user_func_array(array, array)

/var/www/vhosts/php-sources/typo3_src-7/typo3/sysext/backend/Classes/Http/RouteDispatcher.php:
00052:         $targetIdentifier = $route->getOption('target');
00053:         $target = $this->getCallableFromTarget($targetIdentifier);
00054:         return call_user_func_array($target, array($request, $response));
00055:     }
00056: 

7 TYPO3\CMS\Backend\Http\RouteDispatcher::dispatch(TYPO3\CMS\Core\Http\ServerRequest, TYPO3\CMS\Core\Http\Response)

/var/www/vhosts/php-sources/typo3_src-7/typo3/sysext/backend/Classes/Http/AjaxRequestHandler.php:
00169:         /** @var RouteDispatcher $dispatcher */
00170:         $dispatcher = GeneralUtility::makeInstance(RouteDispatcher::class);
00171:         return $dispatcher->dispatch($request, $response);
00172:     }
00173: 

6 TYPO3\CMS\Backend\Http\AjaxRequestHandler::dispatch(TYPO3\CMS\Core\Http\ServerRequest)

/var/www/vhosts/php-sources/typo3_src-7/typo3/sysext/backend/Classes/Http/AjaxRequestHandler.php:
00087:         try {
00088:             // Backend Routing - check if a valid route is there, and dispatch
00089:             return $this->dispatch($request);
00090:         } catch (ResourceNotFoundException $e) {
00091:             // no Route found, fallback to the traditional AJAX request

5 TYPO3\CMS\Backend\Http\AjaxRequestHandler::handleRequest(TYPO3\CMS\Core\Http\ServerRequest)

/var/www/vhosts/php-sources/typo3_src-7/typo3/sysext/core/Classes/Core/Bootstrap.php:
00300: 
00301:         // Execute the command which returns a Response object or NULL
00302:         $this->response = $requestHandler->handleRequest($request);
00303:         return $this;
00304:     }

4 TYPO3\CMS\Core\Core\Bootstrap::handleRequest(TYPO3\CMS\Core\Http\ServerRequest)

/var/www/vhosts/php-sources/typo3_src-7/typo3/sysext/backend/Classes/Http/Application.php:
00092:     public function run(callable $execute = null)
00093:     {
00094:         $this->bootstrap->handleRequest($this->request);
00095: 
00096:         if ($execute !== null) {

3 TYPO3\CMS\Backend\Http\Application::run()

/var/www/vhosts/php-sources/typo3_src-7/typo3/index.php:
00018: call_user_func(function () {
00019:     $classLoader = require __DIR__ . '/../vendor/autoload.php';
00020:     (new \TYPO3\CMS\Backend\Http\Application($classLoader))->run();
00021: });

2 {closure}()
1 call_user_func(Closure)

/var/www/vhosts/php-sources/typo3_src-7/typo3/index.php:
00019:     $classLoader = require __DIR__ . '/../vendor/autoload.php';
00020:     (new \TYPO3\CMS\Backend\Http\Application($classLoader))->run();
00021: });