How To Fix OH004 - Name &1 has an invalid formal structure

SAP Error Message - Details

• Message type: E = Error

• Message class: OH - Messages Group Maintenance

• Message number: 004

• Message text: Name &1 has an invalid formal structure

What causes this issue?

Object (&V2) uses a naming convention that name &V1& violates:
Names can include letters, numerals, or the special symbols underscore
(_) and hyphen (-)
The name must begin with a letter.
Umlauts (such as - or +) are not allowed.
The group name may not use an empty space ( ) within the name.
Do not use TRUE, T, FALSE, F, NOT, AND, NAND, OR, or NOR as names.
The R/3 System does not distinguish between uppercase and lowercase.
Do not use the plus sign (+) or asterisk (*) wild card symbols.

How to fix this error?

Use only names conforming to the naming conventions for object (&V2).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OH004 - Name &1 has an invalid formal structure ?

  The SAP error message OH004, which states "Name &1 has an invalid formal structure," typically occurs in the context of SAP HR (Human Resources) or SAP Payroll when there is an issue with the structure of a specific object, such as an infotype, personnel number, or other HR-related data.
  Cause:
  
  Invalid Structure Definition: The error often arises when the structure of a name (like a personnel number or infotype) does not conform to the expected format or structure defined in the system.
  Configuration Issues: There may be issues with the configuration of the infotype or the data model that defines how names and structures should be formatted.
  Data Entry Errors: Incorrect data entry or missing mandatory fields can lead to this error.
  Custom Development: If there are custom developments or enhancements in the system, they might not be aligned with the standard structure expected by SAP.
  
  Solution:
  
  Check Configuration: Review the configuration settings for the relevant infotype or data structure in the SAP system. Ensure that all required fields are correctly defined and that the structure adheres to SAP standards.
  Validate Data: Check the data being entered for the name or structure in question. Ensure that it meets the required format and that all mandatory fields are filled out correctly.
  Review Custom Code: If there are any custom programs or enhancements, review the code to ensure it is not causing the issue. Make sure that any custom structures align with SAP's expected formats.
  Use Transaction Codes: Utilize transaction codes like PA30 (Maintain HR Master Data) or PA20 (Display HR Master Data) to check the specific infotype and data entries for errors.
  Consult Documentation: Refer to SAP documentation or notes related to the specific infotype or structure to understand the expected format and any known issues.
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it appears to be a bug or a deeper configuration issue.
  
  Related Information:
  
  Infotypes: In SAP HR, infotypes are used to store employee-related data. Each infotype has a specific structure and set of fields that must be adhered to.
  Data Model: Understanding the data model in SAP HR can help in identifying where the structure might be going wrong.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on similar issues.
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that no new issues have been introduced.
  
  By following these steps, you should be able to identify and resolve the cause of the OH004 error in your SAP system.