How To Fix SCTS_HDI507 - Check for cycles (for &1) started

SAP Error Message - Details

• Message type: E = Error

• Message class: SCTS_HDI - Messages for CTS HDI API

• Message number: 507

• Message text: Check for cycles (for &1) started

The system checks that the references of the current HDI container to
other HDI containers do not contain a cyclical dependency. Cyclical
dependencies are not allowed.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SCTS_HDI507 - Check for cycles (for &1) started ?

  The SAP error message SCTS_HDI507, which states "Check for cycles (for &1) started," typically occurs in the context of SAP HANA database development, particularly when working with HDI (HANA Deployment Infrastructure) containers. This error indicates that the system is checking for cyclic dependencies in the objects defined in the HDI container.
  Cause:
  The error is usually caused by one of the following:
  
  Cyclic Dependencies: There are circular references among database objects (like tables, views, or procedures) within the HDI container. For example, if Table A references Table B, and Table B references Table A, this creates a cycle.
  Incorrect Object Definitions: The definitions of the objects may not be properly structured, leading to unintended dependencies.
  Changes in Object Structure: If you have recently modified the structure of your database objects, it may have introduced cycles that were not present before.
  
  Solution:
  To resolve the SCTS_HDI507 error, you can take the following steps:
  
  
  Analyze Dependencies:
  
  Use tools like the SAP HANA Studio or SAP Web IDE to visualize the dependencies between your database objects. Look for any circular references.
  You can also use SQL queries to check for dependencies in the system catalog views.
  
  
  
  Refactor Object Definitions:
  
  If you identify cyclic dependencies, refactor the object definitions to eliminate the cycles. This may involve changing how tables reference each other or breaking the cycle by introducing intermediate tables or views.
  
  
  
  Check for Unused References:
  
  Sometimes, objects may reference others that are no longer needed. Review your object definitions and remove any unnecessary references.
  
  
  
  Testing:
  
  After making changes, redeploy your HDI container and check if the error persists. Ensure that all dependencies are resolved and that the objects can be created without cycles.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation for HDI and HANA development for best practices on managing dependencies and object definitions.
  
  
  
  Related Information:
  
  SAP HANA Studio: A development environment for managing HANA databases, which can help visualize and manage object dependencies.
  SAP Web IDE: A web-based development environment that can also assist in managing HDI containers and their objects.
  SQL Catalog Views: You can query catalog views like TABLES, VIEWS, and PROCEDURES to understand the relationships and dependencies between your database objects.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting the SAP Community for further assistance.