How To Fix FML_CUST001 - Neither ML currency type nor FI currency type

SAP Error Message - Details

• Message type: E = Error

• Message class: FML_CUST - Message Class for ML Customizuing

• Message number: 001

• Message text: Neither ML currency type nor FI currency type

What causes this issue?

This currency is not marked as a material ledger currency, and it is not
integrated in the FI component.

System Response

The currency cannot be used as a material ledger currency.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FML_CUST001 - Neither ML currency type nor FI currency type ?

  The SAP error message FML_CUST001 indicates that there is an issue with the currency settings in the system, specifically that neither the Material Ledger (ML) currency type nor the Financial Accounting (FI) currency type is defined for the transaction or document you are trying to process. This can occur in various scenarios, such as during the posting of a financial document or when working with materials in the Material Ledger.
  Cause:
  
  Missing Configuration: The error typically arises when the necessary currency types are not configured in the system for the relevant company code or controlling area.
  Incorrect Settings: The settings for the Material Ledger or Financial Accounting may not be correctly defined, leading to a mismatch in currency types.
  Transaction Type: The transaction you are trying to execute may require specific currency types that are not set up in the system.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Currency Configuration:
  
  Go to the transaction code OB22 (for FI currency types) and OBY6 (for ML currency types) to verify the currency types defined for your company code.
  Ensure that the required currency types (e.g., local currency, document currency, etc.) are properly set up.
  
  
  
  Material Ledger Settings:
  
  If you are using the Material Ledger, check the configuration in OMX1 to ensure that the Material Ledger is activated for the relevant company code and that the currency types are correctly assigned.
  
  
  
  Review Document Settings:
  
  Check the document you are trying to post. Ensure that it has the correct currency type assigned and that it matches the configuration in the system.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help notes related to the error message for any additional guidance or specific configuration steps that may be required.
  
  
  
  Testing:
  
  After making the necessary changes, try to re-execute the transaction to see if the error persists.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  OB22: Configure currency types for Financial Accounting.
  OBY6: Configure currency types for Material Ledger.
  OMX1: Activate Material Ledger for a company code.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or patches related to this error.
  
  
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to the configuration settings.
  
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or functional team for further investigation, as they may have access to more detailed logs and system settings.