StringHelper does not exist in JsonEditor provider

[cebe]

yii2-giiant/src/generators/crud/callbacks/devgroup/Jsoneditor.php

Line 45 in b20f277

$formattter = StringFormatter::className();

Exception 'Error' with message 'Class 'dmstr\modules\widgets\helpers\StringFormatter' not found'

in /app/vendor/schmunk42/yii2-giiant/src/generators/crud/callbacks/devgroup/Jsoneditor.php:45

Stack trace:
#0 /app/vendor/schmunk42/yii2-giiant/src/generators/crud/providers/core/CallbackProvider.php(47): schmunk42\giiant\generators\crud\callbacks\devgroup\Jsoneditor::schmunk42\giiant\generators\crud\callbacks\devgroup\{closure}('answers_json', 'app\\modules\\cru...', Object(schmunk42\giiant\generators\crud\Generator))
#1 [internal function]: schmunk42\giiant\generators\crud\providers\core\CallbackProvider->attributeFormat('answers_json', 'app\\modules\\cru...', Object(schmunk42\giiant\generators\crud\Generator))
#2 /app/vendor/schmunk42/yii2-giiant/src/generators/crud/ProviderTrait.php(253): call_user_func_array(Array, Array)
#3 /app/vendor/schmunk42/yii2-giiant/src/generators/crud/ProviderTrait.php(152): schmunk42\giiant\generators\crud\Generator->callProviderQueue('attributeFormat', Array, 'app\\modules\\cru...', Object(schmunk42\giiant\generators\crud\Generator))
#4 /app/vendor/schmunk42/yii2-giiant/src/generators/crud/default/views/view.php(111): schmunk42\giiant\generators\crud\Generator->attributeFormat('answers_json')
#5 /app/vendor/yiisoft/yii2/base/View.php(328): require('/app/vendor/sch...')
#6 /app/vendor/yiisoft/yii2/base/View.php(250): yii\base\View->renderPhpFile('/app/vendor/sch...', Array)
#7 /app/vendor/yiisoft/yii2-gii/Generator.php(317): yii\base\View->renderFile('/app/vendor/sch...', Array, Object(schmunk42\giiant\generators\crud\Generator))
#8 /app/vendor/schmunk42/yii2-giiant/src/generators/crud/Generator.php(393): yii\gii\Generator->render('views/view.php', Array)
#9 /app/vendor/schmunk42/yii2-giiant/src/generators/crud/Generator.php(355): schmunk42\giiant\generators\crud\Generator->render('views/view.php', Array)
#10 /app/vendor/yiisoft/yii2-gii/console/GenerateAction.php(53): schmunk42\giiant\generators\crud\Generator->generate()
#11 /app/vendor/yiisoft/yii2-gii/console/GenerateAction.php(36): yii\gii\console\GenerateAction->generateCode()
#12 [internal function]: yii\gii\console\GenerateAction->run()
#13 /app/vendor/yiisoft/yii2/base/Action.php(94): call_user_func_array(Array, Array)
#14 /app/vendor/yiisoft/yii2/base/Controller.php(156): yii\base\Action->runWithParams(Array)
#15 /app/vendor/yiisoft/yii2/console/Controller.php(128): yii\base\Controller->runAction('giiant-crud', Array)
#16 /app/vendor/yiisoft/yii2/base/Module.php(523): yii\console\Controller->runAction('giiant-crud', Array)
#17 /app/vendor/yiisoft/yii2/console/Application.php(180): yii\base\Module->runAction('gii/giiant-crud', Array)
#18 /app/vendor/schmunk42/yii2-giiant/src/commands/BatchController.php(400): yii\console\Application->runAction('gii/giiant-crud', Array)
#19 /app/vendor/schmunk42/yii2-giiant/src/commands/BatchController.php(298): schmunk42\giiant\commands\BatchController->actionCruds()
#20 [internal function]: schmunk42\giiant\commands\BatchController->actionIndex()
#21 /app/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array(Array, Array)
#22 /app/vendor/yiisoft/yii2/base/Controller.php(156): yii\base\InlineAction->runWithParams(Array)
#23 /app/vendor/yiisoft/yii2/console/Controller.php(128): yii\base\Controller->runAction('', Array)
#24 /app/vendor/yiisoft/yii2/base/Module.php(523): yii\console\Controller->runAction('', Array)
#25 /app/vendor/yiisoft/yii2/console/Application.php(180): yii\base\Module->runAction('crud:giiant-bat...', Array)
#26 /app/vendor/yiisoft/yii2/console/Application.php(147): yii\console\Application->runAction('crud:giiant-bat...', Array)
#27 /app/vendor/yiisoft/yii2/base/Application.php(380): yii\console\Application->handleRequest(Object(yii\console\Request))
#28 /app/yii(32): yii\base\Application->run()
#29 {main}