Please help solving unknown source error!

[wakecarter]

Where does the variable BaseImage come from?

Unable to convert(x,y) to a number

Thank you for all your help. Columns for the X and Y coordinates were generated. i attached the stimuli list. But error was still in my experiment… Could you review my code? [SmartSelectImage_2022-01-07-12-01-09] [SmartSelectImage_2022-01-07-12-05-32] [SmartSelectImage_2022-01-07-12-05-48] [SmartSelectImage_2022-01-07-12-07-05]