How To Fix FL800 - & already exists (include &)

SAP Error Message - Details

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 800

• Message text: & already exists (include &)

What causes this issue?

You attempted to create a function module with a name that already
exists.

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 a different name.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FL800 - & already exists (include &) ?

  The SAP error message FL800 typically indicates that there is an issue related to the creation or modification of a financial document or master data, often due to a conflict with existing records. The message "already exists" suggests that the system is trying to create an entry that duplicates an existing one.
  Cause:
  
  Duplicate Entries: The most common cause of this error is that the system is attempting to create a record (such as a vendor, customer, or financial document) that already exists in the database.
  Incorrect Data Entry: There may be a mistake in the data being entered, such as incorrect keys or identifiers that lead to a conflict with existing records.
  Configuration Issues: Sometimes, the configuration settings in the SAP system may not allow for certain entries to be created if they conflict with existing data.
  Data Migration Issues: If data has been migrated from another system, there may be duplicates that were not properly handled during the migration process.
  
  Solution:
  
  Check for Existing Records: Before creating a new entry, check the database to see if the record already exists. Use transaction codes like SE16 or SE11 to query the relevant tables.
  Correct Data Entry: Ensure that the data being entered is correct and does not conflict with existing records. Double-check the keys and identifiers.
  Modify Existing Records: If the record already exists and needs to be updated, consider modifying the existing entry instead of creating a new one.
  Consult Configuration Settings: Review the configuration settings in the relevant module (e.g., FI, MM) to ensure that they allow for the creation of new records without conflicts.
  Data Cleanup: If duplicates are found, consider cleaning up the data to remove or merge duplicates as necessary.
  Error Logs: Check the error logs for more detailed information about the error, which can provide insights into what specifically is causing the conflict.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE16 (Data Browser), SE11 (Data Dictionary), and others that can help you investigate the issue.
  SAP Notes: Look for SAP Notes related to error FL800 in the SAP Support Portal, as they may provide specific guidance or patches for known issues.
  User Authorization: Ensure that you have the necessary authorizations to create or modify records in the system, as lack of permissions can sometimes lead to similar error messages.
  Testing in Development: If possible, replicate the issue in a development or test environment to better understand the cause without affecting production data.
  
  By following these steps, you should be able to identify the cause of the FL800 error and implement a solution to resolve it.