How To Fix CNV_IUUC_REPL_TS046 - Access plan set as 'Not Calculated' in table DMC_MT_TABLES for table &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_REPL_TS - Messages for troubleshooting functions

• Message number: 046

• Message text: Access plan set as 'Not Calculated' in table DMC_MT_TABLES for table &1

What causes this issue?

Access plan is set to 'Not Calculated' for table &V1&. This could be
caused by an error in the access plan calculation job in the source
system.

System Response

The load cannot proceed until access plan is defined.

How to fix this error?

Check for ABAP errors, dumps, and system log errors in the source system
of table &V1&.

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 CNV_IUUC_REPL_TS046 - Access plan set as 'Not Calculated' in table DMC_MT_TABLES for table &1 ?

  The SAP error message CNV_IUUC_REPL_TS046 indicates that the access plan for a specific table (denoted by &1) has been set as 'Not Calculated' in the table DMC_MT_TABLES. This typically occurs in the context of SAP Landscape Transformation (SLT) or data replication scenarios, where the system is unable to generate an access plan for the specified table.
  Cause:
  
  Missing Statistics: The access plan may not have been calculated due to missing or outdated statistics for the table in question. The database optimizer relies on these statistics to create an efficient access plan.
  Table Structure Changes: If there have been recent changes to the table structure (like adding or dropping columns), the access plan may need to be recalculated.
  Database Configuration Issues: There may be issues with the database configuration or settings that prevent the access plan from being calculated.
  Replication Configuration: The SLT configuration might not be set up correctly for the specific table, leading to issues in generating the access plan.
  
  Solution:
  
  Update Statistics: Run the appropriate database command to update the statistics for the table. This can usually be done using SQL commands like ANALYZE TABLE or similar, depending on your database system.
  Recalculate Access Plan: If the statistics are up to date, you may need to manually trigger a recalculation of the access plan. This can often be done through the SLT configuration or by using specific transaction codes in SAP.
  Check Table Structure: Review any recent changes to the table structure and ensure that they are correctly reflected in the SLT configuration.
  Review SLT Configuration: Ensure that the SLT configuration for the table is correct. This includes checking the replication settings and ensuring that the table is included in the replication setup.
  Database Logs: Check the database logs for any errors or warnings that might provide additional context on why the access plan was not calculated.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SLT_CONFIG or DMC to access the relevant configuration settings and logs.
  SAP Notes: Look for SAP Notes related to SLT and access plan issues. SAP frequently updates their knowledge base with solutions to common problems.
  Documentation: Refer to the official SAP documentation for SLT and data replication for more detailed guidance on troubleshooting and configuration.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed logs and error messages for better diagnosis.