How To Fix PFO1201 - Source assignment does not exist: BackSwitch is not possible

PFO1201 - Overview

• Message type: E = Error

• Message class: PFO1 - Messages for Portfolio Assignment

• Message number: 201

• Message text: Source assignment does not exist: BackSwitch is not possible

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.

Unfortunately, there isn't any extra information in this error notice.

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PFO1201 - Details

• The SAP error message PFO1201: Source assignment does not exist: BackSwitch is not possible typically occurs in the context of the SAP Profitability Analysis (CO-PA) module. This error indicates that there is an issue with the assignment of source data for a particular transaction or process, which prevents the system from performing a "BackSwitch" operation.
  
  Cause:
  
  
  Missing Source Assignment: The error usually arises when the system cannot find a valid source assignment for the data you are trying to process. This could be due to missing or incorrect configuration in the assignment of source data to the profitability segments.
  
  
  Data Inconsistency: There may be inconsistencies in the data that prevent the system from linking the source data to the profitability analysis.
  
  
  Incorrect Configuration: The configuration settings for the Profitability Analysis or the specific characteristics and value fields may not be set up correctly.
  
  
  Data Migration Issues: If data has been migrated from another system or