(3)| 10/29/2021 10:29 AM | |
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Joined: 2/11/2015 Last visit: 1/21/2026 Posts: 516 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 | |
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Joined: 7/9/2015 Last visit: 1/29/2026 Posts: 4516 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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| 10/29/2024 2:40 PM | |
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Joined: 1/10/2012 Last visit: 10/15/2025 Posts: 22 Rating:
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we had the same problem. Solution: Install PM Messages and the PM Message License. License Name -> S7-PM |
| 1/30/2026 6:09 PM | |
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Joined: 6/29/2023 Last visit: 1/30/2026 Posts: 1 Rating:
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Tha's the point. Dont forget to instal the licence. Thnanks bro!!!! |
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