copying graphs from Excel
It stopped pasting copied graphs from excel. The message is 'The operation cannot complete becaues of an unknown error.
Please accept my sincere apology for the inconvenience. Please get in touch with us at any of the other support channels – https://helpx.adobe.com/support.html . Since this is not a generic issue that we can reproduce at our end, we will need someone to look into your machine to figure out what is going on here.
Thanks & Regards,
Turn off the shadow effect on excel before copying.
It works for me.