Ok I understand, your demo is great, I don't want to bother you, but I deactivate all plugins even “project manager frontend” plugin. I changed my theme to Twenty Twelve. I disabled all chrome extentions except video recorder. I also checked from Firefox and also checked as an other manager user on different computer. I reupload plugin files via FTP. But there is same situation as you can see on this video.
– There is 8 users on the project, you can count,
– When I click edit project, there is 7 users on project, 1 user is missing,
– When I add some details and update the project, the missing user is removed from project.
Definitely its a great problem, every time i am updating and missing one user per update. Really unbelievable.
I never faced this type of peculiar problem. Extremely sorry for your problem. I already informed it to our experts. Our development team asked for FTP details. Please send us your FTP details as private reply so that they can help you. Thank you..