Cause
If you can send a new project file to the display unit, the data in the project file you tried to send may have a problem.
Solution
Follow the procedure below to check if you can transfer a new project file.
Create a new project file.
3.2 Creating a Project - Start / Create Screen / Save / Exit
If you can send a new project file, the data in the project file you tried to send may have a problem. Copy the data for the file to a new project file and transfer it. For the copy procedure, see the following.
8.6.2 Copying a Screen from Another Project
The contents which can be copied with [Copy from another Project] are the contents of the base screen and window screen only. You need to set again the parameters of other content that cannot be copied.