3696194 - Fallback Rule Account Number Pattern Issue in Bank Reconciliation – SAP S/4HANA Cloud Public Edition

• When using the Account Number Pattern option in the fallback processing rules for bank reconciliation, the G/L account determined does not align with the intended account structure.
• The fallback rule correctly identifies the rule during bank statement upload, but the posting fails because the derived G/L account does not exist.

SAP S/4HANA Cloud Public Edition

1. Create fallback processing rules for bank reconciliation with the Account Number Pattern option.
2. Upload a bank statement where the fallback rule is expected to derive G/L accounts (for eg: 16211999 or 16212999) based on the bank account.
3. Observe that the fallback rule is selected correctly, but no postings occur in the intended G/L accounts.

This behavior is working as designed.

The Account Number Pattern in fallback processing rules derives the G/L account based on the main bank G/L account maintained in the House Bank Account.
The “+” symbol in the pattern is replaced with digits from the main bank G/L account at the corresponding positions.

For example:

• Main bank G/L account: 12100002

• Account number pattern: ++1621+999

• Derived G/L account: 16210999

Only the digit at the defined position (for example, the 5th digit) is taken from the main bank G/L account. If the main bank G/L account structure does not align with the intended target accounts, it is not possible to derive multiple or different G/L accounts (such as 16211999 or 16212999) using this pattern.

Additionally, if the derived G/L account does not exist in the chart of accounts, posting fails with error FAR_POSTING_RULES222.

1. Maintain the exact G/L account directly in the fallback processing rule instead of using an account number pattern. 
2. Or else, use a main bank G/L account with a numbering structure aligned to the intended account number pattern, ensuring the derived G/L account exists in the system.

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