Error Whem tying to update info in Ot custom html top

I installed the jewelery theme in thje presta shop 1.5.2 aldo your theme says its for 1,4 (!)
The look grat aldo. But the pics to the products don´t show? and when trying to use the modul
"Ot custom html top" i get this error??
[PrestaShopException]

Property otcustomtopClass->body_title is not valid
at line 837 in file classes/ObjectModel.php

831.
832. $message = $this->validateField($field, $this->$field);
833. if ($message !== true)
834. {
835. if ($die)
836. throw new PrestaShopException($message);
837. return $error_return ? $message : false;
838. }
839. }
840.
841. return true;

ObjectModelCore->validateFields - [line 77 - modules/otcustomtop/otcustomtopClass.php] - [0 Argument]
otcustomtopClass->getFields - [line 598 - classes/ObjectModel.php] - [0 Argument]
ObjectModelCore->update - [line 112 - modules/otcustomtop/otcustomtop.php] - [0 Argument]
otcustomtop->getContent - [line 597 - controllers/admin/AdminModulesController.php] - [0 Argument]
AdminModulesControllerCore->postProcessCallback - [line 717 - controllers/admin/AdminModulesController.php] - [0 Argument]
AdminModulesControllerCore->postProcess - [line 158 - classes/controller/Controller.php] - [0 Argument]
ControllerCore->run - [line 348 - classes/Dispatcher.php] - [0 Argument]
DispatcherCore->dispatch - [line 50 - admin/index.php] - [0 Argument]

Can you send me your admin ?

Regards