How To Fix J3237 - Company code &, key &, category &: Wrong key field filled

J3237 - Overview

• Message type: E = Error

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

• Message number: 237

• Message text: Company code &, key &, category &: Wrong key field filled

What causes this issue?

An incorrect key field was delivered for an entry.

System Response

The entry can not be processed.

How to fix this error?

Correct the erroneous supply to the key field. For loans, the external
transaction number has to be in the field "RANLALT1". For money market
transaction, the field "RFHA" has to have the financial transaction
number. One of the two fields always has to be filled.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message J3237 - Company code &, key &, category &: Wrong key field filled ?

  The SAP error message J3237 indicates that there is an issue with the key fields in a specific transaction related to the company code, key, and category mentioned in the error message. This error typically arises in the context of financial accounting or controlling modules, where specific key fields are expected to be filled in a certain way.
  
  Cause:
  The error message "Wrong key field filled" suggests that the data entered does not conform to the expected format or values for the specified key fields. This could be due to:
  
  Incorrect Data Entry: The user may have entered an invalid or incorrect value in one of the key fields.
  Missing Configuration: The configuration for the company code or the specific category may not be set up correctly in the system.
  Data Inconsistency: There may be inconsistencies in the master data or transactional data that are causing the system to reject the input.
  Authorization Issues: The user