Message type: E = Error
Message class:  FICODIAN_CUST - Messages for DIAN Magnetic Media Customizings 
Message number: 015
Message text: Enter DIAN Country code.
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
Unfortunately, there isn't any extra information in this error notice.
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The SAP error message FICODIAN_CUST015 typically indicates that a required DIAN (Dirección de Impuestos y Aduanas Nacionales) country code has not been entered in the system. This error is often encountered in the context of Colombian tax compliance, particularly when dealing with electronic invoicing and reporting requirements mandated by DIAN.
Cause: The error occurs when: The DIAN country code is missing or not properly configured in the system. The relevant master data (such as vendor or customer master records) does not have the required DIAN country code. The configuration settings for DIAN integration in SAP are incomplete or incorrect.
Solution: To resolve the error, you can take the following steps: Check Master Data: Ensure that the customer or vendor master records have the correct DIAN country code assigned. You can do this by navigating to the relevant master data transaction (e.g., XD02 for customers or MK02 for vendors) and verifying the country code field. Configure DIAN Settings: If the DIAN country
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