Message type: E = Error
Message class:  XX_FI_MASK - Mask data in reports 
Message number: 004
Message text: Customer &1 is blocked; see long text
You want to enter or change data related to a particular customer. This
data may include personal data and is blocked.
The system does not display any data related to the customer to protect
personal data. You cannot create or change the data.
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.
The SAP error message XX_FI_MASK004 indicates that a customer account is blocked, which prevents certain transactions from being processed. This error typically arises in the context of financial transactions, such as invoicing or payment processing, where the system checks the status of the customer account.
Cause: The error occurs when: The customer account is marked as blocked in the system. This could be due to various reasons, such as: Payment issues (e.g., overdue invoices). Credit limit exceeded. Manual blocking by a user or administrator. Compliance or regulatory reasons.
Solution: To resolve this error, you can take the following steps: Check Customer Status: Go to the customer master data in SAP (transaction code XD03 for general data or FD03 for company code data). Enter the customer number and check the status. Look for any indicators that show the account is blocked. Unblock the Customer: If you have the necessary permissions, you can unblock the customer account. This can be done in the customer master data
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