How To Fix /CCIS/TAX635 - Infinite loop: expression '&' in formula '&' of item '&'

/CCIS/TAX635 - Overview

• Message type: E = Error

• Message class: /CCIS/TAX -

• Message number: 635

• Message text: Infinite loop: expression '&' in formula '&' of item '&'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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/CCIS/TAX635 - Details

• The SAP error message /CCIS/TAX635 Infinite loop: expression '&' in formula '&' of item '&' typically indicates that there is a problem with a tax calculation formula in the SAP system, specifically within the context of the SAP Convergent Charging (SAP CC) or SAP Convergent Invoicing (SAP CI) modules. This error suggests that the system has encountered an infinite loop while trying to evaluate a formula for a specific item.
  
  Cause:
  
  
  Circular References: The most common cause of this error is a circular reference in the formula. This means that the formula is defined in such a way that it refers back to itself, either directly or indirectly, causing the system to enter an infinite loop during evaluation.
  
  
  Complex Formulas: If the formula is overly complex or has multiple nested expressions, it may inadvertently create a situation where the evaluation cannot be completed.
  
  
  Incorrect Configuration: There may be an issue with the configuration of