3790680 - Error message "Tax adjustment posting for monthly invoice XXX $XXXXX failed" occurs when processing Japan customer invoice summary - SAP S/4HANA Cloud Public Edition

An error occurs during Japan customer invoice summary processing. 

Error message: "Tax adjustment posting for monthly invoice XXX $XXXXX failed."

SAP S/4HANA Cloud Public Edition

1. Start the Invoice Summary Processing through  Invoice Summary Processing, Manage Invoice Summary or Schedule Invoice Summary Processing app.
2. The above error messages appear and the posting fails.

In Maintain Business Partner, the "Calc.Tax in MI" option is enabled, which causes tax to be recalculated on the aggregated amount and a tax adjustment document to be created. The required posting keys for the selected document type were not maintained in SSCUI "Define Line Items for Invoice Summary" (ID: 106352) while they were defined in "Configure Tax Adjustment Postings for Invoice Summary" (ID: 106449), leading to posting failure.

1. Open SSCUI Configure Tax Adjustment Postings for Invoice Summary (ID: 106449) and note the document type and posting keys maintained for tax adjustment.
2. Open SSCUI Define Line Items for Invoice Summary (ID: 106352) and maintain line items for the same document type, ensuring the corresponding posting keys are included.
3. Save the configuration.
4. Recreate the Invoice Summary and post again.

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