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    External component has thrown an exception

    External component has thrown an exception

    BUM3CLJ
    Member

    Hello,

    Does everyone knows or might guess the cause of thins kind of error ? When I try to open a Function Bloc it shows this message .

     

    BUM3CLJ_0-1677148846943.png

     

    if I press OK will disappear but It will appear when I try to open another FB. If I close everything and I reopen it disappear. But I don't understand the real cause . 

    Many thanks in advance for your responses. 

     

    1 REPLY 1

    Thorsten_Brach
    New Contributor

    It looks to me, as the TwinCat installation is corrupt...

    So I would recommend uninstalling TwinCat completely and reinstalling it after a reboot...

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