Attribute/type &1 cannot be handled by Note Assistant, see longtext!

What causes this issue?

The type source of an attribute or type &V1& exceeds the maximum length
of 9999 characters. There is a length limitation of 9999 characters with
respect to database field SEOCOMPODF-TYPESRC.

System Response

There is no support for version management, Note Assistant and
Correction Workbench for classes or interfaces which contain such large
components.

How to fix this error?

Try to split the large component into several smaller components.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

For TYPES components you can use the INCLUDE option like bellow:
TYPES BEGIN OF final_type.
INCLUDE TYPE group_type_1.
INCLUDE TYPE group_type_2.
...
TYPES END OF final_type.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.