How To Fix FARR_CONTRACT_MAIN178 - Changing quantity unit to percentage (%) for perf. oblig. &1 impossible

SAP Error Message - Details

• Message type: E = Error

• Message class: FARR_CONTRACT_MAIN - Revenue Accounting: Contract Management

• Message number: 178

• Message text: Changing quantity unit to percentage (%) for perf. oblig. &1 impossible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FARR_CONTRACT_MAIN178 - Changing quantity unit to percentage (%) for perf. oblig. &1 impossible ?

  The SAP error message FARR_CONTRACT_MAIN178 indicates that there is an issue with changing the quantity unit to a percentage (%) for a performance obligation in a contract. This typically occurs in the context of contract management, particularly when dealing with performance obligations in SAP's Flexible Real Estate Management (RE-FX) or similar modules.
  Cause:
  The error arises when:
  
  Incompatible Unit of Measure: The system does not allow changing the unit of measure to a percentage for the specified performance obligation. This could be due to the nature of the obligation or the configuration settings in the system.
  Contract Configuration: The contract may have been set up in a way that does not support percentage-based performance obligations.
  Data Integrity Issues: There may be existing data or settings that conflict with the change you are trying to make.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Contract Settings: Review the configuration of the contract and the performance obligation. Ensure that the performance obligation is set up to allow percentage-based units of measure.
  
  
  Review Unit of Measure: Verify the current unit of measure for the performance obligation. If it is not appropriate to change it to a percentage, you may need to select a different unit of measure that is compatible.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on performance obligations and unit of measure changes.
  
  
  System Configuration: If you have access to system configuration, check the settings related to performance obligations and units of measure. You may need to adjust these settings to allow for percentage units.
  
  
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance. They can provide insights based on the specific configuration and version of your SAP system.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with transaction codes related to contract management and performance obligations, such as FARR for Flexible Real Estate Management.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.