After I update for last version, I receive some erros in the moment i try to create a new DJ access. How can I fix that?

Unhandled exception: Error updating account settings: Error saving settings for application sctrans2: Configuration backup failed: Copy failed: No such file or directory in /usr/local/centovacast/system/AccountManagerDrivers/mutators/class_AccountMutator.php:120

#0 /usr/local/centovacast/system/class_AccountManager.php(365): AccountMutator->update('radioblast', Array)
#1 /usr/local/centovacast/system/class_AccountManager.php(180): AccountManager->update(Object(EditableAccount))
#2 /usr/local/centovacast/system/class_DJManager.php(156): AccountManager->rewrite_account('radioblast')
#3 /usr/local/centovacast/web/client/modules/class_Module_djaccounts.php(165): DJManager::update_configuration()
#4 /usr/local/centovacast/web/client/modules/class_Module_djaccounts.php(124): Module_djaccounts->update_configuration()
#5 /usr/local/centovacast/web/modules/class_base_Module_editor.php(110): Module_djaccounts->post_save(Object(DJAccount))
#6 /usr/local/centovacast/web/modules/class_base_Module_editor.php(76): base_Module_editor->edit_object(0)
#7 /usr/local/centovacast/web/modules/class_base_Module_editor.php(42): base_Module_editor->add_object()
#8 /usr/local/centovacast/web/modules/class_base_Module_editor.php(34): base_Module_editor->dispatch('add')
#9 /usr/local/centovacast/web/client/modules/class_Module_djaccounts.php(75): base_Module_editor->execute()
#10 /usr/local/centovacast/web/class_WebApplication.php(305): Module_djaccounts->execute()
#11 /usr/local/centovacast/web/client/class_ClientApplication.php(151): WebApplication->execute('djaccounts')
#12 /usr/local/centovacast/web/client/index.php(41): ClientApplication->execute(true, 'djaccounts')
#13 {main}