How To Fix CNV_00001236 - Table &1 is a cluster table; content check will not be performed.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_00001 - Message class for CWB settings maintenance programs

• Message number: 236

• Message text: Table &1 is a cluster table; content check will not be performed.

What causes this issue?

Table &V1& is a cluster table. Performing an empty check for cluster
tables may take a very long time.

System Response

Empty check for table &V1& will not be performed.

How to fix this error?

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

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 CNV_00001236 - Table &1 is a cluster table; content check will not be performed. ?

  The SAP error message CNV_00001236 indicates that the system has encountered a cluster table during a data migration or conversion process, and as a result, it cannot perform a content check on that table. Cluster tables in SAP are special types of database tables that store data in a compressed format, and they are typically used to store related data in a single table for efficiency.
  Cause:
  
  Cluster Table: The primary cause of this error is that the table in question is a cluster table. Cluster tables are designed to hold data in a way that optimizes storage and retrieval, but they do not allow for the same type of direct content checks that standard tables do.
  Data Migration/Conversion Process: This error often occurs during data migration or conversion processes, such as when using the SAP Data Migration Workbench (DMW) or other tools that check the integrity of data before it is moved or transformed.
  
  Solution:
  
  Ignore the Warning: If the cluster table is not critical for the migration or if you are aware of its structure and content, you may choose to ignore this warning. Ensure that you have a good understanding of the data in the cluster table and that it will not affect the overall migration process.
  Manual Verification: If necessary, manually verify the data in the cluster table outside of the automated checks. You can do this by querying the table directly in the database or using SAP transaction codes that allow you to view the data.
  Review Migration Strategy: If the cluster table contains critical data that needs to be migrated, consider reviewing your migration strategy. You may need to extract the relevant data from the cluster table and store it in a standard table format before proceeding with the migration.
  Consult Documentation: Check SAP documentation or notes related to the specific migration tool you are using. There may be specific guidelines or best practices for handling cluster tables during migration.
  
  Related Information:
  
  Cluster Tables: In SAP, cluster tables are typically used for storing data that is logically related but may not be frequently accessed in isolation. Examples include tables like BSEG (Accounting Document Segment) and BKPF (Accounting Document Header).
  Data Migration Tools: Familiarize yourself with the tools and methodologies used for data migration in SAP, such as the SAP Data Services, SAP S/4HANA Migration Cockpit, or the Legacy System Migration Workbench (LSMW).
  SAP Notes: Search for relevant SAP Notes that may provide additional insights or solutions related to this error message. SAP Notes can often provide patches, workarounds, or additional context for specific issues.
  
  If you continue to experience issues or if the data in the cluster table is critical for your migration, consider reaching out to SAP support or consulting with an SAP expert who can provide tailored assistance based on your specific scenario.