10/29/2021 10:29 AM | |
Joined: 2/11/2015 Last visit: 9/3/2025 Posts: 510 Rating:
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Hi joppex, Try to save the project on a C:\Folder\ And open it from there. |
10/29/2021 11:41 AM | |
Joined: 7/9/2015 Last visit: 8/29/2025 Posts: 4443 Rating:
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Hi, this is a known behaviour - Change to the more recent procedure "Always assign CPU-oriented unique message numbers" in your project or install the option package S7-PM if you still have to use the "project-wide message number procedure" in your project. Please check this FAQ. When you open a project in STEP 7 V5.7, why do you get the error message 3280:709 "Project or library are on a write-protected medium or are protected by a rights assignment"?Regards, Towome |
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2 thankful Users |
10/29/2024 2:40 PM | |
Joined: 1/10/2012 Last visit: 7/4/2025 Posts: 21 Rating:
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we had the same problem. Solution: Install PM Messages and the PM Message License. License Name -> S7-PM |
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