How To Fix U1307 - Form details have not been specified

SAP Error Message - Details

• Message type: E = Error

• Message class: U1 - Tax reporter interface

• Message number: 307

• Message text: Form details have not been specified

What causes this issue?

Additional selections are required in order to execute the report which
has not been done.

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?

Select the form class, click on the right arrow, maintain the
parameters or tax authorities for which the output is required.

Error message extract from SAP system. Copyright SAP SE.