If you receive an error message during the checkout process stating that a signature could not be created, you will find the reasons here and how to handle them.
First, an isolated failure to create a signature is not problematic. The signature is automatically repeated by the system in the background. If processing slows down, a receipt can be created early so that the daily workflow is not disrupted. A signature creation will then either be performed automatically later or can be accelerated by you by recalling the invoice at a later time: If no error message is visible, the signature has been recreated and correctly archived.
If the failure to create the signature with the message "TSE failed" appears regularly (more than once per day), please contact us and we will conduct a technical inspection.
If the failure occurs every time, a configuration issue is likely. In this case as well, please contact our support via chat or email and let us know the frequency of the message and whether the signature has ever worked.