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In a BL datatype, some files are mandatory whereas other are optional.
For instance, for the neuro/meg/fif datatype, the meg file in FIF format is required whereas channels.tsv, headshape.pos, coordsystem.json, calibration_meg.dat, crosstalk_meg.fif, and destination.fif are optional.
When I registered my App on BL, for instance app-maxfilter, I defined the input as follows:
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Then I execute my job on BL. Xhen When the dataset I choose to run my App on has the calibration, destination, and crosstalk files it works. But if one ot these optionnal files is missing, I get the error:
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This file is supposed to be optional, so why an error is raised when it is not provided?
ask BL team