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Message type: E = Error
Message class: VCH_HL_EXT_BOM - Exception messages for BOM Explosion
Message number: 009
Message text: Error during unit conversion
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
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VCH_HL_EXT_BOM009
- Error during unit conversion ?The SAP error message VCH_HL_EXT_BOM009 typically indicates an issue related to unit conversion during the processing of a Bill of Materials (BOM) or related transactions. This error can occur in various contexts, such as when trying to create or modify a BOM, or during production planning and execution.
Cause:
The error can arise due to several reasons, including:
Incorrect Unit of Measure (UoM) Configuration: The units of measure defined for the materials in the BOM may not be compatible or correctly configured for conversion.
Missing Conversion Factors: There may be missing or incorrect conversion factors between the units of measure used in the BOM.
Data Inconsistencies: There could be inconsistencies in the master data for materials, such as incorrect UoM settings in the material master.
Unit of Measure Group Issues: The unit of measure group assigned to the material may not include the necessary units for conversion.
Custom Code or Enhancements: If there are custom developments or enhancements in the system, they might interfere with standard unit conversion processes.
Solution:
To resolve the error, you can take the following steps:
Check Material Master Data:
- Go to the material master (transaction code
MM03
) and verify the unit of measure settings for the materials involved in the BOM.- Ensure that the base unit of measure and alternative units of measure are correctly defined.
Review BOM Configuration:
- Check the BOM (transaction code
CS03
) for the materials and ensure that the units of measure used are valid and correctly defined.Verify Conversion Factors:
- Ensure that the conversion factors between different units of measure are correctly maintained in the system. You can check this in the material master under the "Units of Measure" tab.
Check Unit of Measure Groups:
- Verify that the unit of measure group assigned to the material includes all necessary units for conversion. You can check this in the configuration settings.
Consult with Technical Team:
- If the issue persists, consult with your technical team to check for any custom code or enhancements that might be affecting the unit conversion process.
SAP Notes and Support:
- Search for relevant SAP Notes in the SAP Support Portal that might address this specific error message. There may be patches or updates available that resolve known issues.
Related Information:
MM03
- Display MaterialCS03
- Display BOMC223
- Maintain Unit of Measure ConversionBy following these steps, you should be able to identify and resolve the cause of the VCH_HL_EXT_BOM009 error in your SAP system.
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