How To Fix C1090 - Internal error: characteristic name not consistent with number

SAP Error Message - Details

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 090

• Message text: Internal error: characteristic name not consistent with number

What causes this issue?

You want to create a <DS:GLOS.characteristic>characteristic</> with a
characteristic name that is within a reserved name range. However, the
characteristic number inferred from the characteristic name is not from
within the reserved number range.

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?

Please contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C1090 - Internal error: characteristic name not consistent with number ?

  The SAP error message C1090, which states "Internal error: characteristic name not consistent with number," typically occurs in the context of SAP's classification system, particularly when dealing with characteristics and their values in the classification of materials or objects.
  Cause:
  This error can arise due to several reasons, including:
  
  
  Inconsistent Characteristic Definition: The characteristic name defined in the classification system does not match the expected format or is not properly linked to the characteristic number.
  
  
  Data Corruption: There may be corruption in the data related to characteristics, such as missing or incorrect entries in the database.
  
  
  Configuration Issues: Incorrect configuration settings in the classification system or in the material master data can lead to inconsistencies.
  
  
  Transport Issues: If the characteristic was transported from one system to another (e.g., from development to production), there may have been issues during the transport process that caused inconsistencies.
  
  
  Solution:
  To resolve the C1090 error, you can take the following steps:
  
  
  Check Characteristic Definition:
  
  Go to the transaction code CT04 (for creating or changing characteristics) and verify that the characteristic name and number are correctly defined.
  Ensure that the characteristic is active and properly assigned to the relevant class.
  
  
  
  Review Material Master Data:
  
  Use transaction code MM03 to display the material master data and check if the characteristics assigned to the material are consistent with the definitions in the classification system.
  
  
  
  Data Consistency Check:
  
  Run a consistency check for the classification data. You can use transaction code CL20N to check for inconsistencies in the classification data.
  
  
  
  Transport Logs:
  
  If the issue arose after a transport, check the transport logs for any errors or warnings that might indicate problems with the characteristic definitions.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that might address this specific error. There may be patches or updates that resolve known issues related to this error.
  
  
  
  Consult with SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  CT04: Create/Change Characteristic
  CL20N: Class Management
  MM03: Display Material Master
  
  
  
  SAP Documentation: Review the SAP Help Portal for documentation on classification and characteristics to understand how they should be configured.
  
  
  Community Forums: Check SAP Community forums or other user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  
  By following these steps, you should be able to identify and resolve the cause of the C1090 error in your SAP system.