Cake3 - Blog Tutorial Part 3 error founds

Hi,

I am getting below error while executing "bin/cake bake model Categories"

Note: i followed all the above things from http://book.cakephp.org/3.0/en/tutorials-and-examples/blog/part-three.html

ubuntu@ubuntu:/var/www/html/cake3blog$ bin/cake bake model Categories

Welcome to CakePHP v3.0.0 Console

---------------------------------------------------------------

App : src

Path: /var/www/html/cake3blog/src/

---------------------------------------------------------------

One moment while associations are detected.

Exception: SQLSTATE[42S02]: Base table or view not found: 1146 Table 'blog_cake3_db.categories' doesn't exist in [/var/www/html/cake3blog/vendor/cakephp/cakephp/src/Database/Schema/Collection.php, line 130]

2015-03-27 04:24:32 Error: [Cake\Database\Exception] SQLSTATE[42S02]: Base table or view not found: 1146 Table 'blog_cake3_db.categories' doesn't exist

Stack Trace:

#0 /var/www/html/cake3blog/vendor/cakephp/cakephp/src/Database/Schema/Collection.php(96): Cake\Database\Schema\Collection->_reflect('Column', 'categories', Array, Object(Cake\Database\Schema\Table))

#1 /var/www/html/cake3blog/vendor/cakephp/cakephp/src/Database/Schema/CachedCollection.php(65): Cake\Database\Schema\Collection->describe('categories', Array)

#2 /var/www/html/cake3blog/vendor/cakephp/cakephp/src/ORM/Table.php(422): Cake\Database\Schema\CachedCollection->describe('categories')

#3 /var/www/html/cake3blog/vendor/cakephp/cakephp/src/ORM/Table.php(498): Cake\ORM\Table->schema()

#4 /var/www/html/cake3blog/vendor/cakephp/bake/src/Shell/Task/ModelTask.php(192): Cake\ORM\Table->primaryKey()

#5 /var/www/html/cake3blog/vendor/cakephp/bake/src/Shell/Task/ModelTask.php(109): Bake\Shell\Task\ModelTask->getAssociations(Object(Cake\ORM\Table))

#6 /var/www/html/cake3blog/vendor/cakephp/bake/src/Shell/Task/ModelTask.php(95): Bake\Shell\Task\ModelTask->bake('Categories')

#7 [internal function]: Bake\Shell\Task\ModelTask->main('Categories')

#8 /var/www/html/cake3blog/vendor/cakephp/cakephp/src/Console/Shell.php(387): call_user_func_array(Array, Array)

#9 /var/www/html/cake3blog/vendor/cakephp/cakephp/src/Console/Shell.php(382): Cake\Console\Shell->runCommand(Array, false)

#10 /var/www/html/cake3blog/vendor/cakephp/cakephp/src/Console/ShellDispatcher.php(200): Cake\Console\Shell->runCommand(Array, true)

#11 /var/www/html/cake3blog/vendor/cakephp/cakephp/src/Console/ShellDispatcher.php(171): Cake\Console\ShellDispatcher->_dispatch()

#12 /var/www/html/cake3blog/vendor/cakephp/cakephp/src/Console/ShellDispatcher.php(122): Cake\Console\ShellDispatcher->dispatch()

#13 /var/www/html/cake3blog/bin/cake.php(20): Cake\Console\ShellDispatcher::run(Array)

#14 {main}

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