How To Fix FDT_CORE889 - Invalid state of rule set switch (only "X" and " " are possible values)

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_CORE - Formula & Derivation Tool: Core

• Message number: 889

• Message text: Invalid state of rule set switch (only "X" and " " are possible values)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_CORE889 - Invalid state of rule set switch (only "X" and " " are possible values) ?

  The SAP error message FDT_CORE889 indicates that there is an issue with the state of a rule set switch in the SAP system. Specifically, the error message states that the only valid values for the rule set switch are "X" (active) and " " (inactive). If the rule set switch is set to any other value, this error will occur.
  
  Cause:
  The error typically arises due to one of the following reasons:
  
  Incorrect Configuration: The rule set switch has been configured with an invalid value that is neither "X" nor " ".
  Data Corruption: There may be corruption in the data related to the rule set, leading to unexpected values being stored.
  Custom Development Issues: If there are custom developments or enhancements in the system that manipulate the rule set, they may inadvertently set the switch to an invalid value.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Rule Set Configuration:
  
  Navigate to the relevant