Unknown resource error for images not in Excel conditions list

[Lindy_Comstock]

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Dynamic ImageStim paths and Pavlovia

What’s the correct way to do csv-based image stimuli on Pavlovia? We are starting a MST implementation that needs to display images from pre-selected random orders, so we have the ImageStim pull from $image_filename every repeat, and a code element that runs at Begin Routine sets that path. This works fine running in Python, but on the JS side we get "Unfortunately we encountered an error: when setting the image of ImageStim: image … when getting the value of resource: stimulus_sets/set_1/1.j…