How To Fix MQ642 - Reference field not found for field &1 &2 and currency type &3...

SAP Error Message - Details

• Message type: E = Error

• Message class: MQ - Messages for Euro Changeover Package

• Message number: 642

• Message text: Reference field not found for field &1 &2 and currency type &3...

What causes this issue?

An error occurred when loading information from the EIS field catalog
for accessing the currency tables.

System Response

The relevant currency type cannot be converted.

How to fix this error?

Reorganize the aspect and field catalogs in EIS Customizing (Tools) and
start the function again. If the error still occurs although you are
using the EIS, inform SAP.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MQ642 - Reference field not found for field &1 &2 and currency type &3... ?

  The SAP error message MQ642, which states "Reference field not found for field &1 &2 and currency type &3," typically occurs in the context of financial transactions or when dealing with currency-related fields in SAP. This error indicates that the system is unable to find a reference field that corresponds to the specified parameters, which can lead to issues in processing transactions or reports.
  Causes:
  
  Missing Configuration: The reference field may not be properly configured in the system. This can happen if the necessary settings for currency types or fields are not defined in the relevant customizing settings.
  Data Inconsistency: There may be inconsistencies in the data, such as missing entries in the relevant tables that define the relationship between fields and currency types.
  Incorrect Field Mapping: The mapping of fields in the transaction or report may be incorrect, leading to the system being unable to locate the required reference field.
  Custom Development Issues: If there are custom programs or enhancements, they may not be correctly handling the reference fields, leading to this error.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the relevant module (e.g., Financial Accounting, Controlling) to ensure that all necessary reference fields and currency types are defined correctly.
  
  Use transaction codes like SPRO to access the configuration settings.
  
  
  Data Validation: Validate the data in the relevant tables to ensure that all necessary entries exist. This may involve checking tables like T001 (Company Codes) and T001W (Plants) for currency-related settings.
  Field Mapping Review: If the error occurs in a custom report or transaction, review the field mapping to ensure that all fields are correctly referenced and that there are no typos or incorrect references.
  Debugging: If you have access to debugging tools, you can analyze the program or transaction that triggers the error to identify where the reference field lookup fails.
  Consult Documentation: Check SAP Notes and documentation for any known issues or updates related to this error message. SAP Support may have specific recommendations based on the version of SAP you are using.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to financial configuration, such as OB22 (Define Currency Types) and OBY6 (Define Company Code Global Parameters).
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.