Yii2 — PHP Notice ‘yiibaseErrorException’ with message ‘unserialize(): Error at offset 8189 of 8192 bytes’

PHP Notice 'yiibaseErrorException' with message 'unserialize(): Error at offset 8189 of 8192 bytes' 

in C:xampphtdocsfinaladvancedvendoryiisoftyii2-debugcontrollersDefaultController.php:132

Stack trace:
#0 [internal function]: yiibaseErrorHandler->handleError(8, 'unserialize(): ...', 'C:\xampp\htdocs...', 132, Array)
#1 C:xampphtdocsfinaladvancedvendoryiisoftyii2-debugcontrollersDefaultController.php(132): unserialize('a:58:{s:13:"55a...')
#2 C:xampphtdocsfinaladvancedvendoryiisoftyii2-debugcontrollersDefaultController.php(147): yiidebugcontrollersDefaultController->getManifest(false)
#3 C:xampphtdocsfinaladvancedvendoryiisoftyii2-debugcontrollersDefaultController.php(92): yiidebugcontrollersDefaultController->loadData('55a8abf042085', 5)
#4 [internal function]: yiidebugcontrollersDefaultController->actionToolbar('55a8abf042085')
#5 C:xampphtdocsfinaladvancedvendoryiisoftyii2baseInlineAction.php(55): call_user_func_array(Array, Array)
#6 C:xampphtdocsfinaladvancedvendoryiisoftyii2baseController.php(151): yiibaseInlineAction->runWithParams(Array)
#7 C:xampphtdocsfinaladvancedvendoryiisoftyii2baseModule.php(455): yiibaseController->runAction('toolbar', Array)
#8 C:xampphtdocsfinaladvancedvendoryiisoftyii2webApplication.php(84): yiibaseModule->runAction('debug/default/t...', Array)
#9 C:xampphtdocsfinaladvancedvendoryiisoftyii2baseApplication.php(375): yiiwebApplication->handleRequest(Object(yiiwebRequest))
#10 C:xampphtdocsfinaladvancedbackendwebindex.php(18): yiibaseApplication->run()
#11 {main}

Getting this error while running Yii2 application whats wrong with it ?

Answer

Looks like a problem in the cached version of the request data. You could try clearing the folder under @runtime/debug.