How To Fix SADL_DERIVATION012 - Cyclic dependencies could not be resolved while deriving parameter '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_DERIVATION - Dynamic field derivation

• Message number: 012

• Message text: Cyclic dependencies could not be resolved while deriving parameter '&1'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_DERIVATION012 - Cyclic dependencies could not be resolved while deriving parameter '&1' ?

  The SAP error message SADL_DERIVATION012 indicates that there is a cyclic dependency in the derivation of a parameter in a data model or service definition. This typically occurs in the context of SAP's Service Adaptation Definition Language (SADL), which is used for defining and managing data services in SAP systems.
  Cause:
  The cyclic dependency arises when two or more parameters or entities reference each other in a way that creates a loop. For example, if Parameter A depends on Parameter B, and Parameter B also depends on Parameter A, the system cannot resolve the dependencies, leading to this error.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Analyze Dependencies: Review the parameters and their dependencies in your data model or service definition. Identify the cyclic references that are causing the issue.
  
  
  Refactor the Model: Modify the data model to eliminate the cyclic dependencies. This may involve:
  
  Changing the way parameters are derived.
  Introducing intermediate parameters or entities that can break the cycle.
  Reassessing the relationships between the parameters to ensure they are logically sound.
  
  
  
  Test Changes: After making adjustments, test the service or data model to ensure that the error is resolved and that the parameters are being derived correctly.
  
  
  Consult Documentation: Refer to SAP documentation or community forums for additional guidance on handling cyclic dependencies in SADL.
  
  
  Seek Help from SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  
  Related Information:
  
  SADL Documentation: Familiarize yourself with the Service Adaptation Definition Language documentation provided by SAP, which can offer insights into best practices for defining services and managing dependencies.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide solutions or workarounds.
  Debugging Tools: Utilize SAP debugging tools to trace the execution flow and identify where the cyclic dependency is occurring.
  
  By following these steps, you should be able to resolve the SADL_DERIVATION012 error and ensure that your data model functions correctly without cyclic dependencies.