How To Fix J3687 - Key for transaction has not been entered correctly

J3687 - Overview

• Message type: E = Error

• Message class: J3 - Dialog Messages for Data Pool Entry Transactions

• Message number: 687

• Message text: Key for transaction has not been entered correctly

What causes this issue?

With this transfer, you can maintain opportunity conditions for BCA
accounts, variable transactions, loans, or money market transactions.
In order to correctly identify a transaction, the following key fields
have to be specified:
BCA accounts:
BKKRS Bank area
ACNUM_EXT External account number
Variable transactions:
BUKRS Company code
VTNUM Transaction number
Loans:
RANL Contract number or
RANLALT1 Alternative contract number
Money market transactions:
RFHA Transaction number
The transaction could not be correctly identified because the key
fields for the transaction were not complete, or additional key fields
from other transaction categories were filled.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message J3687 - Key for transaction has not been entered correctly ?

  The SAP error message J3687, which states "Key for transaction has not been entered correctly," typically occurs when there is an issue with the input data for a transaction. This error can arise in various contexts, such as when trying to post a document, create a record, or perform a transaction that requires a specific key or identifier.
  Causes:
  
  Incorrect Key Entry: The most common cause is that the key (such as a document number, customer ID, or material number) has been entered incorrectly. This could be due to typographical errors or incorrect formatting.
  Missing Key: The key may not have been entered at all, leading to the system being unable to identify the transaction.
  Data Inconsistency: The key may refer to a record that does not exist in the database, possibly due to data deletion or incorrect data migration.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the transaction