Suite Can't upgrade from 4.0.5 to 4.0.7 - Fatal error: Invalid block type or block type
 

Code:
Invalid block type or block type doesn't exist. on line 69 in /var/www/vhosts/myfootballforum.com/httpdocs/includes/class_block.php
#0 /var/www/vhosts/myfootballforum.com/httpdocs/includes/class_block.php(108): vB_Block->__construct(Object(vB_Registry), Array)
#1 /var/www/vhosts/myfootballforum.com/httpdocs/includes/class_block.php(599): vB_Block::create(Object(vB_Registry), 20, NULL)
#2 /var/www/vhosts/myfootballforum.com/httpdocs/includes/class_block.php(945): vB_BlockManager->createBlock(20)
#3 /var/www/vhosts/myfootballforum.com/httpdocs/includes/class_block.php(702): vB_BlockManager->saveBlockConfig('20', Array)
#4 /var/www/vhosts/myfootballforum.com/httpdocs/includes/adminfunctions_plugin.php(1461): vB_BlockManager->reloadBlockTypes()
#5 /var/www/vhosts/myfootballforum.com/httpdocs/install/upgradecore.php(946): install_product(' #6 /var/www/vhosts/myfootballforum.com/httpdocs/install/finalupgrade.php(151): upgrade_product_step('vbblog')
#7 {main}


Fatal error: Invalid block type or block type doesn't exist. on line 69 in /var/www/vhosts/myfootballforum.com/httpdocs/includes/class_block.php in /var/www/vhosts/myfootballforum.com/httpdocs/vb/vb.php on line 287
Any possible suggestions please :)

This happens on Step 5) Install/Upgrade Blog.