How To Fix RY121 - Each elementary transaction for an option must have one underlying

SAP Error Message - Details

• Message type: E = Error

• Message class: RY - Messages for RM Basis

• Message number: 121

• Message text: Each elementary transaction for an option must have one underlying

What causes this issue?

Elementary transaction &V1& is a type of option (transaction form &V2&).
However, either no underlying was assigned to the option, or more than
one underlying was assigned. If the latter is the case, you must use
transaction form 200 (complex transaction) instead.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RY121 - Each elementary transaction for an option must have one underlying ?

  The SAP error message RY121, which states "Each elementary transaction for an option must have one underlying," typically occurs in the context of financial instruments, particularly when dealing with derivatives or options in the SAP system. This error indicates that there is a configuration or data issue related to the underlying asset of an option transaction.
  
  Cause:
  
  
  Missing Underlying Asset: The error usually arises when an option transaction is defined without a corresponding underlying asset. In financial terms, an option is a contract that gives the holder the right, but not the obligation, to buy or sell an underlying asset at a predetermined price.
  
  
  Incorrect Configuration: There may be a misconfiguration in the transaction setup, where the system expects each option to be linked to a specific underlying asset, but this link is missing or incorrectly defined.
  
  
  Data Entry Errors: There could be errors in the data entry process, where the underlying asset was