How To Fix SO691 - Form & does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: SO - SAPoffice: message texts

• Message number: 691

• Message text: Form & does not exist

What causes this issue?

The selected layout set does not exist.

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 a predefined layout set.
If you do not make a selection, you will receive the standard layout
set.
You can display a list of possible layout sets with F4.

Error message extract from SAP system. Copyright SAP SE.