Hi Inge5EE1,
Thank you for reaching out, and sorry about the trouble caused.
Please try to sign out of the application and reboot the machine once.
Also, try sending documents via the Acrobat Online account. Open the link https://acrobat.adobe.com/ and sign in using your Adobe ID.
Then go to the E-sign tab and select request signature.
Let us know if you get any error messages.
Thanks,
Meenakshi
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