Doc. &1 switched to contingency; cancel source document and post it again

What causes this issue?

Document number &v1& was switched to contingency, and follow-up actions
are required.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Cancel the fiscal document &v1& by canceling the corresponding source
document (billing, material document, or logistics invoice).
Post the application document again to generate a contingency fiscal
document.
Make sure that the contingency fiscal document is or will be sent to the
tax authorities:
If fiscal document &v1& has not been sent to the tax authorities yet,
send it using the
<DS:TRAN.J1BNFE>Monitor</>.
If fiscal document &v1& has already been sent, wait for the response
from the tax authorities.
After receiving the response from the tax authorities, proceed as
follows:
If the tax authorities authorize the document, send a request for
authorization to cancel the documents.
If the tax authorities reject the tax authorities, send a request for
authorization to skip the number of the fiscal document &v1&.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.