How To Fix UC079 - No rule exists for field &1

SAP Error Message - Details

• Message type: E = Error

• Message class: UC - FI/CO Data transfer: errors during transfer

• Message number: 079

• Message text: No rule exists for field &1

What causes this issue?

The field &V1& determines the currency or unit of a figure. The field
has its initial value as no rule is maintained.

System Response

The currency or unit of the figure cannot be determined.

How to fix this error?

Maintain a rule for the field &V1&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UC079 - No rule exists for field &1 ?

  The SAP error message UC079 "No rule exists for field &1" typically occurs in the context of SAP's configuration for validation or substitution rules. This error indicates that the system is unable to find a defined rule for the specified field (represented by &1) in the context of the operation being performed.
  
  Cause:
  
  Missing Configuration: The most common cause is that there is no validation or substitution rule defined for the specific field in the relevant configuration settings.
  Incorrect Field Reference: The field referenced in the error message may not be correctly defined or may not exist in the context where the validation or substitution is being applied.
  Transport Issues: If the configuration was recently transported from another system, it may not have been transported correctly, leading to missing rules.
  Custom Development: If there are custom developments or enhancements, they may not have been properly implemented or may have errors.
  
  
  Solution:
  
  
  Check Configuration: 
  
  Go to the relevant