How To Fix GU559 - The name of the table must begin with 'ZZ'

SAP Error Message - Details

• Message type: E = Error

• Message class: GU - FI-SL utilities

• Message number: 559

• Message text: The name of the table must begin with 'ZZ'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message GU559 - The name of the table must begin with 'ZZ' ?

  The SAP error message GU559 indicates that you are trying to create or modify a database table in the ABAP Dictionary (SE11) that does not follow the naming conventions set by your SAP system. Specifically, the error states that the name of the table must begin with 'ZZ'. This is a common restriction in SAP systems to ensure that custom objects are easily identifiable and do not conflict with standard SAP objects.
  Cause:
  
  Naming Convention: In many SAP systems, custom objects (like tables, programs, etc.) are required to start with specific prefixes (like 'Z' or 'Y') to differentiate them from standard SAP objects. The prefix 'ZZ' is often used in some organizations as a further distinction.
  System Settings: The naming convention can be enforced by system settings or development guidelines established by the organization.
  
  Solution:
  
  Rename the Table: If you are trying to create a new table, ensure that the name you choose starts with 'ZZ'. For example, if you were trying to create a table named MY_TABLE, you should rename it to ZZ_MY_TABLE.
  Check Naming Guidelines: Review your organization’s development guidelines or consult with your SAP Basis or development team to understand the naming conventions in place.
  Use Transaction SE11: Go back to transaction SE11 (Data Dictionary) and create or modify the table with the correct naming convention.
  
  Related Information:
  
  SAP Naming Conventions: It's important to familiarize yourself with SAP's naming conventions for various objects. Typically, custom objects should start with 'Z' or 'Y', while standard SAP objects do not have these prefixes.
  Transport Requests: If you are working in a development environment, ensure that your changes are included in a transport request for proper migration to other environments (like QA or Production).
  Documentation: Always document your custom developments and adhere to the guidelines set by your organization to maintain consistency and avoid conflicts.
  
  By following these guidelines, you should be able to resolve the GU559 error and successfully create or modify your database table in SAP.