How To Fix BIL018 - Secondary installation &1: Billing period of higher-level inst. not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: BIL - General billing

• Message number: 018

• Message text: Secondary installation &1: Billing period of higher-level inst. not valid

What causes this issue?

The <DS:DE.BEGABRPE>start of the billing period</>, &v3&, does not match
&v4&, which is specified as the start of the billing period for
<DS:DE.HIGHLEVINST>higher-level secondary installation </> &v2& for
secondary installation &v1&.
Background:
This situation is similar to that described in error message
<DS:NA.BIL017>017</>. The system did find a billing document for
higher-level installation &v2&. However, the start of the billing period
for the higher-level secondary installation must not be after the start
of the billing period for the lower-level secondary installation.
Possible cause:
You performed interim or final billing for secondary installation &v2&
without billing the lower-level secondary installation &v1& on the same
date.

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?

Bill the secondary installations on the same date.

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 BIL018 - Secondary installation &1: Billing period of higher-level inst. not valid ?

  The SAP error message BIL018, which states "Secondary installation &1: Billing period of higher-level inst. not valid," typically occurs in the context of billing processes, particularly when dealing with installations and billing periods in SAP IS-U (Industry Solution for Utilities).
  
  Cause:
  This error usually arises due to one of the following reasons:
  
  
  Invalid Billing Period: The billing period for the higher-level installation (e.g., a parent installation) is not valid for the secondary installation. This can happen if the billing period is outside the allowed range or if it has not been defined correctly.
  
  
  
  Configuration Issues: There may be configuration issues in the billing setup, such as incorrect settings for billing periods or installation types.
  
  
  Data Inconsistencies: There could be inconsistencies in the master data for the installations, such as mismatched billing types or incorrect assignment of installations.
  
  
  Missing Data: Required data for the billing period or installation may be missing or incorrectly maintained.
  
  
  
  Solution:
  To resolve the BIL018