How To Fix TD189 - Form class must correspond to a program class or remain initial

SAP Error Message - Details

• Message type: E = Error

• Message class: TD - SAPscript: Text editor, composer, forms, styles and fonts

• Message number: 189

• Message text: Form class must correspond to a program class or remain initial

What causes this issue?

If the form class field is used, the value of a program class must be
entered here. The value of the program class of the print program which
works with this form should be specified here.
A form class entry is used for classification and to facilitate the
search for forms of a particular application.

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?

Either leave the form class field blank or select the value of a
program class. You can display a list of all the available classes
using F4 (Possible entries).

Error message extract from SAP system. Copyright SAP SE.