How To Fix GLE_ECS_MSG_S026 - First-level check: Enter a valid posting key (item number &1)

GLE_ECS_MSG_S026 - Overview

• Message type: E = Error

• Message class: GLE_ECS_MSG_S - Predefined Messages in Error Correction System

• Message number: 026

• Message text: First-level check: Enter a valid posting key (item number &1)

What causes this issue?

The posting key is not correct.
The system cannot balance or split the document.
Note:
You can post documents only if their debits and credits together sum to
zero.
You cannot post documents that have more than 990 line items.

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

System Response

How to fix this error?

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 GLE_ECS_MSG_S026 - First-level check: Enter a valid posting key (item number &1) ?

  The SAP error message GLE_ECS_MSG_S026 with the description "First-level check: Enter a valid posting key (item number &1)" typically occurs when a user attempts to enter a transaction in SAP that requires a valid posting key, but the key provided is either invalid or not recognized by the system.
  
  Cause:
  
  Invalid Posting Key: The posting key entered does not exist in the system or is not valid for the type of transaction being processed.
  
  Configuration Issues: The posting keys may not be properly configured in the system for the specific transaction or document type.
  User Input Error: The user may have mistyped the posting key or entered it in the wrong format.
  Transaction Context: The posting key may not be applicable in the context of the transaction being executed (e.g., trying to use a key meant for a different type of document).
  
  
  Solution:
  
  Check Posting Key: Verify that the posting key entered is correct. You can do