How To Fix CLB2044 - Key mapping error

CLB2044 - Overview

• Message type: E = Error

• Message class: CLB2 - SAIL: Common messages

• Message number: 044

• Message text: Key mapping error

What causes this issue?

The business object key &V1& of the collection &V2& could not be mapped
to the key format required for the target service &V3&.

System Response

The processing is interrupted with an exception.

How to fix this error?

Procedure for System Administrators

Check the application-specific implementation of BAdI
CLB2_SERVICE_MAPPING: the combination of input values may not be
supported.

Error message extract from SAP system. Copyright SAP SE.

CLB2044 - Details

• The SAP error message CLB2044, which indicates a "Key mapping error," typically arises in the context of SAP's Customer Relationship Management (CRM) or Business Suite applications. This error usually occurs when there is a mismatch or inconsistency in the key mapping between different systems or components, such as when integrating with external systems or during data migration.
  Causes of CLB2044 Key Mapping Error:
  
  
  Inconsistent Key Mapping: The keys used in the source system do not match the keys expected in the target system. This can happen during data migration or integration processes.
  
  
  Missing Keys: The required keys may not exist in the target system, leading to a failure in the mapping process.
  
  
  
  Configuration Issues: Incorrect configuration settings in the system can lead to key mapping errors.
  
  
  Data Corruption: Corrupted or incomplete data can also lead to key mapping issues.
  
  
  Changes in Data Structure: If there have been changes in the data structure or schema in either