How To Fix AY431 - Equivalence numbers <= 0 are not allowed - please correct

AY431 - Overview

• Message type: E = Error

• Message class: AY - Deprec. simulation - maint. module (AIPS) /gen. master data

• Message number: 431

• Message text: Equivalence numbers <= 0 are not allowed - please correct

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AY431 - Equivalence numbers <= 0 are not allowed - please correct ?

  The SAP error message AY431, which states "Equivalence numbers <= 0 are not allowed - please correct," typically occurs in the context of material management or inventory management processes, particularly when dealing with equivalence numbers in the context of batch management or material valuation.
  
  Cause:
  The error is triggered when an equivalence number (which is often used to represent a quantity or a specific identifier for batches or materials) is set to a value that is less than or equal to zero. This can happen due to:
  
  Data Entry Error: A user may have mistakenly entered a negative value or zero in a field that requires a positive equivalence number.
  System Configuration: There may be issues with the configuration of the material master or batch management settings that allow for invalid values.
  Data Migration Issues: If data has been migrated from another system, it may have brought over invalid values.
  Custom Code: If there are custom