We are implementing PDMWorks and I've setup the revision scheme: primary is A-Z using range, secondary is 01-99 using range, and tertiary is 1-9 using range. sequential revisioning is checked. However, this isn't working, when I try to check in files it gives an error that the revision is invalid. When I have Last Revision type optional selected it does work. I don't want to use last revision type, I want sequential revisioning. Our prototype lifecycle is 1-99 and release is A-Z. Any help is greatly appreciated. Jennifer