How To Fix DBMAN451 - Characteristic &1: Size of X/Y table does not fit P/Q table

SAP Error Message - Details

• Message type: E = Error

• Message class: DBMAN - Data Manager Message Class

• Message number: 451

• Message text: Characteristic &1: Size of X/Y table does not fit P/Q table

What causes this issue?

The size check establishes that the newly created X/Y table is not the
same size as the P/Q table from which it has been created.
This is caused by missing SID entries in the navigation attributes.

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?

To determine the missing navigation attribute values, execute the test
"SID Values in X- and Y tables" in transaction RSRV.

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 DBMAN451 - Characteristic &1: Size of X/Y table does not fit P/Q table ?

  The SAP error message DBMAN451 indicates that there is a mismatch between the size of the X/Y table and the P/Q table in the context of database management. This typically occurs during the execution of a database operation, such as a data load or a query, where the expected dimensions of the data do not align.
  Cause:
  
  
  Data Mismatch: The most common cause of this error is that the data being processed has a different structure or size than what the system expects. This can happen if:
  
  The data model has changed, but the data has not been updated accordingly.
  There are inconsistencies in the data being loaded or queried.
  The data source has been modified without corresponding changes in the target structure.
  
  
  
  Configuration Issues: Incorrect configuration settings in the data model or in the database can lead to this error. This includes:
  
  Incorrectly defined characteristics or key figures in the InfoObject.
  Mismatched settings in the data source and target.
  
  
  
  Data Load Errors: If there was an error during a previous data load, it could leave the database in an inconsistent state, leading to this error when trying to access or manipulate the data.
  
  
  Solution:
  
  
  Check Data Consistency: Verify that the data in the X/Y table matches the expected structure and size of the P/Q table. This may involve:
  
  Running consistency checks on the data.
  Comparing the schemas of the tables to ensure they align.
  
  
  
  Review Data Model Changes: If there have been recent changes to the data model, ensure that all related tables and structures have been updated accordingly. This includes:
  
  Updating InfoObjects and InfoProviders.
  Ensuring that all transformations and data flows are correctly defined.
  
  
  
  Reprocess Data Loads: If the error occurred during a data load, consider reprocessing the data. This may involve:
  
  Deleting the erroneous data and reloading it.
  Running the data load in smaller batches to isolate the issue.
  
  
  
  Check Configuration Settings: Review the configuration settings for the data model and ensure that they are correctly defined. This includes:
  
  Checking the settings for characteristics and key figures.
  Ensuring that the data source and target are correctly aligned.
  
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that may address this specific error. There may be known issues or updates that can resolve the problem.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on data modeling and database management.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench) and RSMO (Monitor Data Load) for monitoring and managing data loads.
  
  By following these steps, you should be able to identify the root cause of the DBMAN451 error and implement a solution to resolve it.