How To Fix 3R421 - The reference/comparison values have been set to &1 &2

3R421 - Overview

• Message type: E = Error

• Message class: 3R - HR-PAY: Messages for evaluation programs (international)

• Message number: 421

• Message text: The reference/comparison values have been set to &1 &2

You have entered reference/comparison values that do not correspond to
the <ZH>Form Class Attributes</> table. Entries of this type are only
appropriate when using the Create, Compare, or Insert Reference
functions. The table values (country grouping &V1&, form class &V2&)
are used.

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message 3R421 - The reference/comparison values have been set to &1 &2 ?

  The SAP error message 3R421 indicates that the reference or comparison values for a certain operation or transaction have been set to specific values (denoted by &1 and &2). This error typically arises in the context of financial transactions, particularly in controlling (CO) or financial accounting (FI) modules, where certain values must be compared or referenced against predefined criteria.
  
  Cause:
  The error can occur due to several reasons, including:
  
  Incorrect Configuration: The reference values may not be correctly configured in the system, leading to discrepancies when the system attempts to process a transaction.
  Data Entry Errors: Users may have entered incorrect or invalid values in the relevant fields, causing the system to trigger this error.
  Missing Master Data: Required master data (like cost centers, profit centers, or internal orders) may be missing or incorrectly set up.
  Business Logic Violations: The transaction may violate certain business rules or logic defined in the system, leading to the error.
  
  
  Solution:
  To