How To Fix ODL702_PROCESS003 - Serialization of object model with cyclic references not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: ODL702_PROCESS -

• Message number: 003

• Message text: Serialization of object model with cyclic references not supported

What causes this issue?

Cycle detected on object &V1& (id &V2&).

System Response

Serialization is aborted.

How to fix this error?

Build a hierarchical object model.

Procedure for System Administrators

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message ODL702_PROCESS003 - Serialization of object model with cyclic references not supported ?

  The SAP error message ODL702_PROCESS003 indicates that there is an issue with the serialization of an object model that contains cyclic references. This typically occurs when an object references itself directly or indirectly, creating a loop that cannot be serialized into a format like JSON or XML.
  Cause:
  
  Cyclic References: The primary cause of this error is the presence of cyclic references in the object model. For example, if Object A references Object B, and Object B references Object A, this creates a cycle that cannot be serialized.
  Data Structure Design: Poorly designed data structures or object models that do not account for potential cycles can lead to this issue.
  Serialization Mechanism: The serialization mechanism being used may not support cyclic references, leading to this error when it encounters such structures.
  
  Solution:
  
  Identify Cyclic References: Review the object model to identify where the cyclic references are occurring. This may involve examining the relationships between objects and their properties.
  Refactor Object Model: Modify the object model to eliminate cyclic references. This can be done by:
  
  Breaking the cycle by removing or altering references.
  Using identifiers (like IDs) instead of direct object references to avoid cycles.
  Implementing a mechanism to handle cyclic references, such as using a serialization library that supports them.
  
  
  Use Custom Serialization Logic: If you need to maintain the cyclic references for business logic, consider implementing custom serialization logic that can handle cycles, such as:
  
  Keeping track of already serialized objects and avoiding re-serialization.
  Using a different serialization format that supports cyclic references.
  
  
  Testing: After making changes, thoroughly test the object model to ensure that it can be serialized without errors.
  
  Related Information:
  
  Serialization Formats: Different serialization formats (like JSON, XML, etc.) have different capabilities regarding cyclic references. Understanding the limitations of the format you are using can help in designing your object model.
  SAP Documentation: Refer to SAP's official documentation for guidelines on object serialization and best practices for designing object models.
  Debugging Tools: Use debugging tools available in SAP to trace the object references and identify where the cycles are occurring.
  
  By addressing the cyclic references in your object model and ensuring that your serialization logic can handle the structure appropriately, you should be able to resolve the ODL702_PROCESS003 error.