For such simple errors you can always check with ChatGPT:
As @yaniv14 said, his fix will most probably fix your error.
In future please give the complete code that Collect PHP Logs gives. This helps greatly for developers that know what to look for to assist you. 😉 (of course obfuscate any sensitive info as your true local address, admin folder, etc.)
Sample how the code works when you simply copy and paste it here:
Exception
Message:
ThirtyBeesException: Property Product->price is empty
Location:
classes/ObjectModel.php line 1054
Stacktrace
#0 classes/ObjectModel.php(1054)
#1 classes/ObjectModel.php(333): ObjectModelCore->validateFields()
#2 classes/ObjectModel.php(361): ObjectModelCore->getFields()
#3 classes/ObjectModel.php(610): ObjectModelCore->getFieldsPrimary()
#4 classes/Product.php(7816): ObjectModelCore->add()
#5 controllers/admin/AdminProductsController.php(822): ProductCore->add()
#6 classes/controller/AdminController.php(597): AdminProductsControllerCore->processDuplicate()
#7 controllers/admin/AdminProductsController.php(1341): AdminControllerCore->postProcess()
#8 classes/controller/Controller.php(202): AdminProductsControllerCore->postProcess()
#9 classes/Dispatcher.php(865): ControllerCore->run()
#10 adminXXX/index.php(58): DispatcherCore->dispatch()