Message type: E = Error
Message class:  FR - Messages for FI Reporting 
Message number: 346
Message text: Caution: A batch input session does not yet exist
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.
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The SAP error message FR346, which states "Caution: A batch input session does not yet exist," typically occurs when you are trying to process a batch input session that has not been created or is not available in the system. This can happen in various scenarios, such as when you are trying to execute a transaction that relies on batch input processing, but the session has not been generated. Causes: No Batch Input Session Created: The most common cause is that the batch input session has not been created yet. This can happen if the transaction that is supposed to create the session has not been executed. Session Deletion: The batch input session may have been deleted or not saved properly. Incorrect Transaction Code: You might be using the wrong transaction code or parameters that do not lead to the creation of a batch input session. Authorization Issues: Lack of proper authorizations to create or
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