Message type: E = Error
Message class:  9J1UF_VAT_DECL - VAT decl UA message class 
Message number: 011
Message text: Run ID or Run Date is not filled
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The SAP error message 9J1UF_VAT_DECL011 indicates that there is an issue with the VAT declaration process, specifically that the "Run ID" or "Run Date" is not filled. This error typically occurs when you are trying to execute a VAT declaration report or transaction, and the system requires specific identifiers that are missing.
Cause: Missing Run ID: The Run ID is a unique identifier for a specific VAT declaration run. If this field is not populated, the system cannot process the request. Missing Run Date: Similar to the Run ID, the Run Date is essential for identifying the period for which the VAT declaration is being generated. If this date is not provided, the system will throw an error.
Configuration Issues: There may be configuration settings in the VAT declaration process that are not set up correctly, leading to missing values. User Input Error: The user may have overlooked entering the required fields when initiating the
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