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[bulldozer]

I noticed that I got a bunch of error messages when trying to batch add pictures  using album that was named somethinglike&this. Directory name was also named this. I renamed directory and removed the & and renamed the album to remove & too. Then it worked fine.

[Casper]

This isn't a coppermine bug. You can call the albums what you like, but there are some characters you just shouldn't use in directory filenames.
That is why it failed.