This is most likely an error in the XML file. To be able to analyze the message in more detail, we need more precise data, for example the XML file. Please share.
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Please check the following: When you add the PROFINET device, check for the setting for IP and name assignment is set to "Load remanent data". - If the file is not present on the controller, the driver resets the network settings. -> After switching to "Use project parameters", the behavior should no longer occur as desired
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If it works, you will of course not receive an error message. This means that (if the error occurs again) you should see something there. Theoretically, it could also be due to changed rights to the specific repository or its user. (Please check that you have not placed the repository on a network drive)
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Please check the following troubleshooting. This could be the "ARP flux" effect, which leads to the corresponding error message here: https://content.helpme-codesys.com/en/CODESYS%20PROFINET/_pnio_error_ip_addresses.html
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