Contract account &1 is blocked for invoicing from &2 to &3

What causes this issue?

You cannot create a bill for the contract account at the present time,
because an invoicing block currently excludes it from processing.

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?

The following options are available:
Write the bill once the block has expired
Change the invoicing block in the contract account

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.