How To Fix B1757 - Message type & is not defined for serialization group &

B1757 - Overview

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 757

• Message text: Message type & is not defined for serialization group &

What causes this issue?

Message type &v1& with sending system &v3& has not been specified for
the inbound processing of the serialization group &v2&.

How to fix this error?

Maintain the inbound processing settings for serialization groups in
the relevant client in ALE Customizing.

Error message extract from SAP system. Copyright SAP SE.

B1757 - Details

• The SAP error message B1757 indicates that a specific message type is not defined for a serialization group. This error typically arises in the context of SAP's serialization functionality, which is often used in industries such as pharmaceuticals, food and beverage, and other regulated sectors where tracking individual items is crucial.
  
  Cause:
  
  Missing Configuration: The message type specified in the error is not configured in the system for the serialization group mentioned. This could be due to a missing entry in the relevant customizing settings.
  Incorrect Serialization Group: The serialization group being referenced may not be correctly set up or may not correspond to the message type being used.
  Data Inconsistency: There may be inconsistencies in the master data or configuration that lead to this error.
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to the transaction code SPRO to access the SAP Customizing Implementation Guide.
  Navigate to the relevant section for serialization (usually under Logistics or Production).
  Verify that the message type