Hello,
PsychoPy will use an absolute path if you add a condition file before you have saved your experiment. Simply re-specify the condition file. This should change the absolute path to a relative one. The condition file should be saved in the same folder or a subfolder of your experiment folder.
The absolute path ```C:/Users/Administrator/Documents/Yana’s Experiment/Experiment 2/echt experiment 2.xlsx`` does not work online, because online there is no drive C: with the folders Users/Administrator/Documents/Yana’s Experiment/. Everything is relative to your experiment folder.
Try to avoid spaces and other specical characters, e.g. ', in file and folder names. Different operating systems allow different character sests in file and folder names.
Best wishes Jens