Hi,

It looks like you're trying to calculate the total volume of order lines and display it in a field using Odoo Studio. However, there seems to be a mistake in your Python code. Here's the corrected code:

for record in self:

    record['x_studio_float_field_21r_1h8gqq14n'] = sum(line.x_studio_volume for line in record.order_line)

Hope it helps