How To Fix M2074 - You have given the same name to too many fields

SAP Error Message - Details

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 074

• Message text: You have given the same name to too many fields

What causes this issue?

You have chosen too many fields with the same field name.

System Response

Each field name may appear once only in an information structure.
The system attempts to create the uniqueness by changing the last three
characters of the field name. However, it cannot make more than 99 such
changes.

How to fix this error?

Change the field names.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M2074 - You have given the same name to too many fields ?

  The SAP error message M2074, "You have given the same name to too many fields," typically occurs during the creation or modification of a data structure, such as a table or a view, where multiple fields have been assigned the same name. This can lead to ambiguity and confusion in data handling and processing.
  Cause:
  
  Duplicate Field Names: The primary cause of this error is that within the same context (like a table or structure), two or more fields have been defined with identical names.
  Field Name Length: In some cases, the field names may be too long or not conforming to naming conventions, leading to confusion in the system.
  Inconsistent Naming Conventions: If the naming conventions are not followed consistently, it can lead to unintentional duplicates.
  
  Solution:
  
  Check Field Definitions: Review the definitions of the fields in the relevant data structure (table, view, etc.) to identify any duplicates. Ensure that each field has a unique name.
  Rename Fields: If duplicates are found, rename the fields to ensure that each has a unique identifier. This can be done in the Data Dictionary (SE11) or the relevant transaction code.
  Review Related Structures: If the fields are part of a larger structure or are being used in multiple places, ensure that the naming is consistent across all related structures.
  Use Naming Conventions: Implement and adhere to a clear naming convention to avoid future conflicts. This can include prefixes or suffixes that indicate the purpose or context of the field.
  Transport Requests: If changes are made, ensure that they are included in the appropriate transport requests for consistency across different environments (development, testing, production).
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function Module) to investigate and modify the structures.
  Documentation: Refer to SAP documentation or guidelines on naming conventions and data structure design to ensure compliance with best practices.
  Testing: After making changes, thoroughly test the affected areas to ensure that the changes do not introduce new issues.
  
  By addressing the root cause of the error and ensuring unique field names, you can resolve the M2074 error and prevent it from occurring in the future.