Validation_data=validation_generator error "boundary not supported"

Hi, can someone HELP take a look at this? I don’t know what’s wrong here… Thank you.

Did you do this?

All images should be checked before the copy, so if they have a zero file length, they will be omitted from the copying process. If this is the case then your function should print out a message such as "filename is zero length, so ignoring.". You should perform this check before the split so that only non-zero images are considered when doing the actual split.

If so, please click my name and message your notebook as an attachment.

Thank you. I thought I did but was not saved somehow.
problems solved.