How To Fix WTADDI410 - Class type & not maintained for additionals in Customizing

SAP Error Message - Details

• Message type: E = Error

• Message class: WTADDI - Additionals: Messages

• Message number: 410

• Message text: Class type & not maintained for additionals in Customizing

What causes this issue?

You are entering <GL:additional>additionals</> for a
<GL:material>material</> and have entered a <GL:class_type>class type
</> that is not allowed in combination with additionals.
The class types that are specifically permitted for use with
additionals are maintained in Customizing.

How to fix this error?

Display the possible entries for the class type by pressing F4. If the
class type you wish to use does not appear in the list, maintain it in
Customizing.
INCLUDE ISR_CUSTOMIZING

Error message extract from SAP system. Copyright SAP SE.