How To Fix IST_EBS310 - Incorrect Customizing: &1 - &2 combination not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: IST_EBS - Interface Between IS-T and External Billing System

• Message number: 310

• Message text: Incorrect Customizing: &1 - &2 combination not allowed

What causes this issue?

The system only supports certain combinations of selection entity
identifiers (FLD_SEL_ENT_ID field in Customizing table
IST_EBS_POI_SYST) and selection entities (SEL_ENT field).
The combination you entered is not supported.

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?

Change your settings in Customizing by choosing:
<DS:SIMG.IST_IF_POISYST>Maintain Settings for Selection of Open Items
</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IST_EBS310 - Incorrect Customizing: &1 - &2 combination not allowed ?

  The SAP error message IST_EBS310, which states "Incorrect Customizing: &1 - &2 combination not allowed," typically occurs in the context of Electronic Bank Statement (EBS) processing. This error indicates that there is a mismatch or an invalid combination of settings in the configuration related to bank statement processing.
  Cause:
  The error is usually caused by one of the following issues:
  
  
  Incorrect Configuration: The combination of the bank account and the house bank or the payment method is not correctly configured in the system. This can happen if the settings in the customizing tables do not allow for the specific combination being used.
  
  
  Missing Entries: There may be missing entries in the customizing tables that define the relationships between the bank accounts, house banks, and payment methods.
  
  
  Data Inconsistency: There could be inconsistencies in the data entered for the bank accounts or payment methods, leading to the system rejecting the combination.
  
  
  Solution:
  To resolve the IST_EBS310 error, you can follow these steps:
  
  
  Check Customizing Settings:
  
  Go to the transaction code OBPM1 (for house bank) and OBPM2 (for bank accounts) to review the configurations.
  Ensure that the combination of the bank account and house bank is correctly defined.
  
  
  
  Review Payment Methods:
  
  Check the payment method settings in transaction code FBZP. Ensure that the payment method is allowed for the specific bank account and house bank combination.
  
  
  
  Validate Entries:
  
  Ensure that all necessary entries are present in the relevant customizing tables. This includes checking for any missing configurations that might be required for the specific combination.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to Electronic Bank Statement processing for any specific requirements or known issues.
  
  
  
  Test with Different Combinations:
  
  If possible, test with different combinations of bank accounts and payment methods to identify if the issue is isolated to a specific combination.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the configurations, consider reaching out to SAP support for further assistance. They may provide additional insights or patches if it is a known issue.
  
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  OBPM1: House Bank Configuration
  OBPM2: Bank Account Configuration
  FBZP: Payment Method Configuration
  FF67: Manual Bank Statement Processing
  
  
  
  SAP Notes: Search for SAP Notes related to EBS and the specific error message for any updates or patches that may address the issue.
  
  
  Documentation: Review the SAP Help Portal for detailed documentation on Electronic Bank Statement processing and configuration.
  
  
  By following these steps, you should be able to identify and resolve the cause of the IST_EBS310 error in your SAP system.