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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message S_CUS_IMG_ACTIVITY120 - Multiple objects: Field lengths greater than 255 characters not supported ?

  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, structures, or fields that have lengths greater than 255 characters.
  
  
  Modify Field Lengths: If you have identified fields that exceed the limit, consider the following options:
  
  Shorten the Field Length: If possible, modify the field length to be 255 characters or less. This may involve changing the data model or adjusting the application logic.
  Use Alternative Data Types: If the field is meant to hold large text data, consider using a different data type, such as STRING or TEXT, which can handle larger amounts of data.
  
  
  
  Check Custom Code: If you have custom developments (like Z-tables or Z-programs), review them to ensure they are not using fields with lengths greater than 255 characters in contexts that require compliance with this limitation.
  
  
  Consult Documentation: Review SAP documentation or notes related to the specific module or functionality you are working with to understand any limitations or best practices regarding field lengths.
  
  
  Testing: After making changes, thoroughly test the affected areas of the application to ensure that the changes do not introduce new issues.
  
  
  Transport Changes: If you are working in a development environment, ensure that any changes are properly transported to the quality and production environments.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to this error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  Documentation: Review the SAP Help Portal for documentation on data dictionary objects and field length limitations.
  
  By following these steps, you should be able to identify and resolve the cause of the S_CUS_IMG_ACTIVITY120 error in your SAP system.