Issue: Upgrading to 4.0.18 - Step 8

Upgrading to 4.0.18
Step 8

Adding data to table: vw_importsession
An exception occurred: Cannot use object of type vw_Import_Config_Controller_vB3 as array in [path]/vault/core/controller/import/handle/dependency/config/vb3.php on line 21
#0: vw_Import_Handle_Dependency_Config_Controller_vB3->normalize() in [path]/vault/core/controller/import/config/default.php at line 68
#1: vw_Import_Config_Default_Controller->__construct() in [path]/vault/core/controller/import/config/vb3.php at line 36
#2: vw_Import_Config_Controller_vB3->__construct() in [path]/vault/core/model/vw.php at line 404
#3: vw_Hard_Core::fetch_object() in [path]/vault/core/model/vw.php at line 696
#4: vw_Hard_Core::controller() in [path]/vault/install/lib/upgradepath/steps/4/0/18/base/vw.php at line 571
#5: vw_Install_UpgradePath_Steps_4018_base_Controller->{closure}() in [path]/vault/core/controller/progress/steps/vw.php at line 83
#6: vw_Progress_Steps_Controller->call() in [path]/vault/core/controller/progress/steps/vw.php at line 53
#7: vw_Progress_Steps_Controller->execute() in [path]/vault/install/lib/upgradepath/vw.php at line 62
#8: vw_Install_UpgradePath_Controller->exec_script() in [path]/vault/core/controller/progress/vw.php at line 74
#9: vw_Progress_Controller->execute() in [path]/vault/core/controller/cp/progress/vw.php at line 37
#10: vw_CP_Progress_Controller->process() in [path]/vault/core/controller/cp/install/vw.php at line 292
#11: vw_CP_Install_Controller->upgrade() in [path]/vault/core/controller/cp/install/vw.php at line 57
#12: vw_CP_Install_Controller->execute() in [path]/vault/helper/vb/global.php at line 63
#13: require_once() in [path]/vault/install/index.php at line 38