How To Fix S_CUS_IMG_ACTIVITY120 - Multiple objects: Field lengths greater than 255 characters not supported

S_CUS_IMG_ACTIVITY120 - Overview

• Message type: E = Error

• Message class: S_CUS_IMG_ACTIVITY - IMG Activity

• Message number: 120

• Message text: Multiple objects: Field lengths greater than 255 characters not supported

What causes this issue?

The analysis has shown that the customizing object or objects in the
object list contain fields which are longer than 255 characters. There
are several such objects. BC Sets cannot be used for them.

System Response

How to fix this error?

Adjust these objects in the Dictionary so that there are no fields
longer than 255 characters, and regenerate the maintenance dialog
(SE54).
This change will usually require considerable effort. Confirm the
restriction to deactivate the BC Set functionality for this object.
Note:
It is advisable to test the BC Set functionality to ensure that this is
the case.
Create a BC Set for the object.
Check whether all the data can be put in the BC Set (SCPR3).
Change an entry in the object (SPRO or SM30/34).
Activate the BC Set (SCPR20).
Check whether the values in the BC Set are written correctly in the
table/view.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

S_CUS_IMG_ACTIVITY120 - Details

• The SAP error message S_CUS_IMG_ACTIVITY120 indicates that there are multiple objects in your SAP system that have field lengths greater than 255 characters, which is not supported in certain contexts, particularly in customizing activities. This error typically arises during the configuration or activation of certain objects in the SAP system.
  
  Cause:
  
  Field Length Exceeding Limit: The primary cause of this error is that one or more fields in the data dictionary (DDIC) or in the customizing settings have been defined with a length greater than 255 characters. This is not supported in certain SAP functionalities, especially in customizing activities.
  Incompatibility with SAP Standards: Some SAP modules or functionalities may have restrictions on field lengths, and exceeding these limits can lead to errors during data processing or configuration.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify the Objects: Use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to identify the specific tables,