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further more the issue is happening in a way it didnt happen before, before the issue was happening both when trying to download the hmi into a pc, and while trying to emulate the hmi, now the emulate works but not the download part, its very weird -------------------------------------------

it started happening again i dont know why, theres two things that fix it temporarely, renaming project and removing and redoing the entire communicaiton driver, but the fix is non permanenent, my client is very dissapointed and need it working as soon as possible, so i have to find the cause in a hurry ...

Fixed - To fix theis Issue i Just deleted the entire communication driver then re-donne it entirely then it started working again, now it doesnt lose communication with th plc anymore -------------------------------------------

Yes there are changes been made in the plc but they are only logic changes the tags stayed the same between last friday and monday this week and it stopped working, but thanks anyway for the other thread -------------------------------------------

Here are the zipped dumps. -------------------------------------------

I just checked and confirmed that there are multiple crash dumps, all with today's date. How can I open them, or how can I send the dumps to you for analysis? I also discovered something interesting during testing: if I save the project under a different name, the issue appears to be resolved and the ...

#FTOptix This issue started around Monday last week on a v1.6.5.1 project without any changes being made to the FT Optix application. The HMI stopped communicating with the PLC and now stays in sync mode, but it never actually synchronizes with the PLC. In the runtime logs, the following error appears: ...