Message type: E = Error
Message class:  MI_BADI - Messages for the IMG (BADI) 
Message number: 021
Message text: No log level delivered for handler, receiver, or distributor
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The SAP error message MI_BADI021 indicates that there is an issue with the logging configuration for a Business Add-In (BAdI) implementation. Specifically, it means that no log level has been defined for the handler, receiver, or distributor associated with the BAdI.
Cause: The error typically arises due to one of the following reasons: Missing Log Level Configuration: The log level for the BAdI implementation has not been set, which is required for logging purposes. Incorrect BAdI Implementation: The BAdI implementation may not be correctly configured or activated. Transport Issues: If the BAdI implementation was transported from another system, the log level settings may not have been included in the transport.
Solution: To resolve the MI_BADI021 error, you can follow these steps: Check BAdI Implementation: Go to transaction SE18 (BAdI Definition) and check the BAdI definition related to the error. Then, go to transaction SE19 (BAdI Implementation) and verify the implementation for the BAdI. Ensure that it is active. Set Log Level: In
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