How To Fix B1121 - No data defined in the reduction tool for message type &

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 121

• Message text: No data defined in the reduction tool for message type &

What causes this issue?

This transaction is used for maintaining and displaying reduced message
types. In the standard not all message types can be reduced.

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

There is no data in the reduction tool for message type &v1&.

How to fix this error?

Use the transaction WE30 for maintaining and displaying the associated
intermediate document type, or use the transaction BD60 to maintain the
data for the reduction tool.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1121 - No data defined in the reduction tool for message type & ?

  The SAP error message B1121, which states "No data defined in the reduction tool for message type &," typically occurs in the context of the SAP system's message handling, particularly when dealing with message types in the reduction tool (often used in the context of logistics or production planning).
  Cause:
  The error usually arises due to one of the following reasons:
  
  Missing Configuration: The reduction tool has not been properly configured for the specific message type that is being referenced. This means that there are no rules or data defined for how to handle that message type.
  Incorrect Message Type: The message type being referenced may not exist or may not be correctly set up in the system.
  Data Inconsistency: There may be inconsistencies or missing entries in the relevant tables that the reduction tool relies on.
  
  Solution:
  To resolve the B1121 error, you can take the following steps:
  
  
  Check Configuration:
  
  Go to the configuration settings for the reduction tool in your SAP system. This is typically found in the IMG (Implementation Guide) under the relevant module (e.g., Logistics, Production Planning).
  Ensure that the message type in question is defined and that there are appropriate rules and data associated with it.
  
  
  
  Define Message Type:
  
  If the message type is not defined, you may need to create it. This involves specifying the necessary parameters and settings for the message type in the reduction tool.
  
  
  
  Review Related Tables:
  
  Check the relevant database tables (e.g., T001, T002, etc.) to ensure that there are no missing entries or inconsistencies that could be causing the error.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for guidance on configuring the reduction tool and message types. This can provide insights into the required settings and common pitfalls.
  
  
  
  Testing:
  
  After making changes, test the configuration to ensure that the error no longer occurs. You may want to run a few scenarios to validate that the reduction tool is functioning as expected.
  
  
  
  Seek Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in configuration and troubleshooting, such as SPRO (for configuration) or SE11 (for table viewing).
  SAP Notes: Check SAP Notes for any known issues or patches related to the B1121 error. SAP Notes can provide specific fixes or workarounds.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the B1121 error and implement a solution to resolve it.