Data is inconsistent and could not be saved

Message type: E = Error

Message class: EL - IS-U meter reading data processing

Message number: 398

Message text: Data is inconsistent and could not be saved

What causes this issue?

The validation that checks whether the entries in tables EABL (meter
reading document) and EABLG (meter reading reasons for the meter
reading documents) have been correctly written to the database has
found an inconsistency. As a result, the data was not saved in the
database.
The inconsistency was detected for meter reading document number &v1&.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Please check whether the inconsistent data is present in the database.
Clean up the inconsistent data.
If you cannot clean up the inconsistent data, please contact SAP.
Please be sure to include the following information:
wmode: &v2&
action: &v3&
sy-batch: &v4&