How To Fix CAVE020 - Material &1: Base units of measure in APO and in R/3 do not match

SAP Error Message - Details

• Message type: E = Error

• Message class: CAVE - CIF APO Sales Enhancements

• Message number: 020

• Message text: Material &1: Base units of measure in APO and in R/3 do not match

What causes this issue?

Material &v1&: Base units of measure in APO and in R/3 do not match.
The base units of measure for a material must match in APO and in R/3.

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 CAVE020 - Material &1: Base units of measure in APO and in R/3 do not match ?

  The SAP error message CAVE020 indicates that there is a mismatch between the base unit of measure for a material in SAP Advanced Planning and Optimization (APO) and the base unit of measure for the same material in the SAP R/3 system. This discrepancy can lead to issues in planning and execution processes, as the systems rely on consistent unit definitions.
  Cause:
  The primary causes of this error message include:
  
  Data Inconsistency: The base unit of measure for the material has been changed in either the R/3 system or the APO system without synchronizing the changes between the two systems.
  Master Data Issues: The material master data may not have been properly replicated from R/3 to APO, leading to discrepancies.
  Configuration Errors: Incorrect configuration settings in either system can lead to mismatches in the base unit of measure.
  
  Solution:
  To resolve the CAVE020 error, you can follow these steps:
  
  
  Check Base Unit of Measure:
  
  Go to the material master in both R/3 and APO.
  In R/3, you can check the base unit of measure using transaction code MM03 (Display Material).
  In APO, you can check the material using transaction code /SAPAPO/MAT1 (Display Material).
  
  
  
  Synchronize Data:
  
  If you find a mismatch, you need to update the base unit of measure in one of the systems to ensure they match.
  If the change is made in R/3, ensure that the data is replicated to APO using the appropriate CIF (Core Interface) settings.
  
  
  
  Use CIF to Replicate Data:
  
  If the material master data has been changed, use transaction code CIF to trigger the data transfer from R/3 to APO.
  Monitor the CIF queue for any errors or warnings that may indicate issues with the data transfer.
  
  
  
  Check Configuration:
  
  Ensure that the configuration settings for the integration between R/3 and APO are correct. This includes checking the settings in transaction CIF and ensuring that the relevant settings for material master data are properly configured.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the CAVE020 error for any specific guidance or updates that may apply to your version of SAP.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material in R/3
  /SAPAPO/MAT1: Display Material in APO
  CIF: Core Interface for data transfer
  
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions for this error.
  Master Data Management: Ensure that your master data management processes are robust to prevent such discrepancies in the future.
  
  By following these steps, you should be able to resolve the CAVE020 error and ensure that the base units of measure for materials are consistent across both systems.