Message type: E = Error
Message class:  CNV_PE_CHECK - Check Framework messages for posting engine 
Message number: 070
Message text: Error for function &1 in RFC destination &2
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 CNV_PE_CHECK070 typically indicates an issue related to the Remote Function Call (RFC) destination in the context of a data migration or conversion process. This error is often encountered during the execution of a program or function module that relies on an RFC connection to another system or instance.
Cause: RFC Destination Issues: The specified RFC destination (&2) may not be correctly configured, or it may be inactive. This can happen if the destination is not set up properly in transaction SM59. Network Issues: There may be network connectivity problems between the SAP system and the target system defined in the RFC destination. Authorization Problems: The user credentials used for the RFC connection may not have the necessary authorizations to execute the function (&1). Function Module Issues: The function module specified may not exist in the target system or may have been changed or deleted. System Configuration: There may be configuration issues in
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