Error to find the informations in the excel file

[wakecarter]

Does it break on the first trial?

Try using print('Fichier_1', Fichier_1) in Begin Routine to see what is happening to the variable.

Wakefield's Daily Tips

Use Print statements When debugging, print statements can be very helpful to track down errors or unexpected behaviour. I tend to use them in one of two ways: print('trial setup started') Sometimes I won’t know where the error is, especially if there is a problem during the initial setup of the components or Begin experiment code. The components of each routine are set up in turn from top to bottom. Therefore, if you have a flow with routines called start, trial and finish and put print('tri…