Message type: E = Error
Message class:  IDGT_MC - GTI China: Message Class 
Message number: 012
Message text: The Customer entered does not exists
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The SAP error message IDGT_MC012, which states "The Customer entered does not exist," typically occurs in scenarios where a user is trying to process a transaction involving a customer that the system cannot recognize. This can happen in various modules, such as Sales and Distribution (SD) or Material Management (MM). Causes: Incorrect Customer Number: The customer number entered may be incorrect or mistyped. Customer Not Created: The customer may not have been created in the system or may have been deleted. Inactive Customer: The customer record may exist but is marked as inactive or blocked. Data Synchronization Issues: If the system is integrated with other systems (like CRM), there may be synchronization issues leading to missing customer data. Company Code Issues: The customer may not be assigned to the relevant company code in the system. Solutions: Verify Customer Number: Double-check the customer number entered for any typographical errors. Check Customer Master Data: Use transaction codes like XD03 (Display Customer)
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