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- FAQ > Controllers > Programmable Controllers MELSEC > Engineering Software > I cannot open a project file of PX Developer.
FAQ
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I cannot open a project file of PX Developer.
When I try to open an fpj file of PX Developer, the message "The drive is unauthorized." is displayed and cannot open the file.
- Category :
Answer
When the total number of characters in the drive/path and project name exceeds 149 one-byte characters (74 two-byte characters), the message "The drive path is unauthorized." is displayed.
Set the drive/path and project name so that the total number of characters of them is 149 one-byte characters (74 two-byte characters) or less.
Set the drive/path and project name so that the total number of characters of them is 149 one-byte characters (74 two-byte characters) or less.
- Product Name
- Engineering Software
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