Batch processing

I have tried to run the batch processing feature without success.
I get the following error message - Wrong number of exposures.
I have checked the folder and there are 10 sets of 3 exposures.
I have indicated that there are 3 exposures. Is this incorrect?
I get the following error message - Wrong number of exposures.
I have checked the folder and there are 10 sets of 3 exposures.
I have indicated that there are 3 exposures. Is this incorrect?