Message type: E = Error
Message class: CL - Classification
Message number: 127
Message text: Assignment of & to class &, class type &, already exists
The allocation you entered already exists and cannot be created twice.
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.
CL127
- Assignment of & to class &, class type &, already exists ?The SAP error message CL127 indicates that there is an attempt to assign a class to another class or class type that has already been assigned. This typically occurs in the context of Object-Oriented Programming in ABAP when dealing with class definitions and inheritance.
Cause: The error occurs due to one of the following reasons: Duplicate Assignment: You are trying to assign a class to a class type or another class that has already been assigned to it. Incorrect Class Definition: There may be an issue with the way classes are defined or structured, leading to conflicts in assignments. Namespace Conflicts: If you are working in a system with multiple namespaces, there might be a conflict with class names or types.
Solution: To resolve the CL127 error, you can take the following steps: Check Class Assignments: Review the class definitions and ensure that you are not trying to assign the same class to a class type or another class
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