How To Fix AD808 - & is not allowed as index name (A-Z or 1-9)

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 808

• Message text: & is not allowed as index name (A-Z or 1-9)

What causes this issue?

Only the characters A-Z and 1-9 can be used in the index ID. 0 is
reserved for the primary index.

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?

Use only valid characters for the index ID.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD808 - & is not allowed as index name (A-Z or 1-9) ?

  The SAP error message AD808 indicates that there is an issue with the naming convention of an index in your SAP system. Specifically, the error states that the index name you are trying to use does not conform to the allowed naming conventions, which require that index names must start with a letter (A-Z) or a number (1-9) and must follow specific rules regarding character usage.
  Cause:
  
  Invalid Characters: The index name may contain invalid characters such as special characters or spaces.
  Naming Convention Violation: The index name may not start with a valid character (it should start with a letter or a number).
  Length Restrictions: The index name may exceed the maximum length allowed by SAP.
  
  Solution:
  
  
  Rename the Index: Ensure that the index name adheres to the naming conventions. It should:
  
  Start with a letter (A-Z) or a number (1-9).
  Only contain alphanumeric characters (A-Z, 0-9) and underscores (_).
  Not exceed the maximum length (usually 30 characters).
  
  
  
  Check for Special Characters: Remove any special characters or spaces from the index name.
  
  
  Review Documentation: Refer to SAP documentation or guidelines for naming conventions to ensure compliance.
  
  
  Testing: After renaming the index, test the changes in a development or test environment before moving to production.
  
  
  Related Information:
  
  SAP Naming Conventions: Familiarize yourself with SAP's naming conventions for database objects, which can be found in the SAP Help Portal or relevant documentation.
  Transaction Codes: You may use transaction codes like SE11 (Data Dictionary) to check and modify the index definitions.
  Error Logs: Check the system logs or error logs for additional context or related errors that may help in troubleshooting.
  
  By following these guidelines, you should be able to resolve the AD808 error and successfully create or modify the index in your SAP system.