How To Fix SABP_BEHV_TEST_1IMPL101 - Entity "&1" is not restricted to a single implementation

SABP_BEHV_TEST_1IMPL101 - Overview

• Message type: E = Error

• Message class: SABP_BEHV_TEST_1IMPL - Texts for CL_CI_TEST_BEHV_1IMPL

• Message number: 101

• Message text: Entity "&1" is not restricted to a single implementation

What causes this issue?

Entity "&V1&" has not been restricted to a single implementation, that
is, there can be multiple implementing classes.

System Response

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

How to fix this error?

Restrict the entity to a single implementation class using the
<NP>implementation class ... unique</> syntax. This syntax is supported
at following places:
At the beginning of the behavior definition, for example:
<NP>unmanaged implementation in class ... unique</>
At the individual entity specification within the behavior definition,
for example:
<NP>define behavior for ... implementation in class ... unique</>
Through implementation groups within the entity specification, for
example:
<NP>group ... implementation in class ... unique { ... }</>

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

SABP_BEHV_TEST_1IMPL101 - Details

• The SAP error message SABP_BEHV_TEST_1IMPL101 indicates that the entity you are trying to work with is not restricted to a single implementation. This typically occurs in the context of Business Event Handling (BEH) or similar frameworks where an entity can have multiple implementations, but the system expects only one.
  
  Cause:
  
  Multiple Implementations: The entity you are trying to use has multiple implementations defined in the system. This can happen if different business processes or applications have defined their own versions of the entity.
  
  Configuration Issues: There may be a configuration issue where the system is not correctly identifying which implementation to use.
  Data Model Design: The data model may have been designed in such a way that it allows multiple implementations, but the current operation requires a single implementation.
  
  
  Solution:
  
  Identify Implementations: Check the existing implementations of the entity in the system. You can do this by navigating to the relevant configuration or development area in