I'm using PM 5.0 on a Windows 7, 64-bit system.
I've photographed a small ledger in NEF format. I saved the images as TIFs to another folder. I can Select All, call up IPTC Stationary Pad, make a change like add a Keyword, and either get "Error reading caption from photo" or it makes the change, but when I call up IPTC stationary pad or IPTC Info the next time, I get the error message and the system is completely locked up. I can only exit using the Task Manager. I can get the same error message if I exit out, open PM again, and then open up the IPTC Info for one file. I deleted the first TIFs and tried again and got the same error message.
This is not happening in NEF format. I can make changes to one or all without problems.
This is the caption " Colville Volunteer Fire Department 1904-1914, E. E. Peterson Treasurer, Carl J. Townsend Ledger. Accession number 04-400-208 " Caption is the same at the moment for the NEF and TIF files as I just started working on them.
I had made changes to the order for the IPTC Info fields to make the workflow easier and faster. I just went back into preferences and changed back to Classic IPTC dialog. The error message shows up, but the program doesn't lock up. I can make individual changes to a file, but not to a more than one file. The error message shows up each time I call up IPTC Info. If I Select All and call up the Stationary Pad, a message very briefly flashes, but it is too fast to read. I can enter data to be added to all images, but nothing happens.
Hope this helps you understand what is going on.
Sue