Some Names Are Reserved
Some names in both Export Kit and other environments are reserved and you cannot use them. We cannot list all reserved names (there are many), but Export Kit has a specific few:
Invalid Names (DO NOT USE):
Untitled-[x].psd
PSD.psd
AI.ai
INDD.indd
[name].PSD
[name].AI
[name].INDD
[0-9][name].psd (start with number)
Use Englis (UTF-8) names for your PSD/AI/INDD files – make sure your first letter is lowercase to avoid errors, along with a lowercase file extension, eg.
Valid Name Examples:
myProject.psd
myproject.psd
my_project.psd
my_PROJECT.psd
my_project_01.psd