How To Fix /ISDFPS/UPS_COMMAND020 - Error while calling function &1; RC = &2 - &3 &4

/ISDFPS/UPS_COMMAND020 - Overview

• Message type: E = Error

• Message class: /ISDFPS/UPS_COMMAND -

• Message number: 020

• Message text: Error while calling function &1; RC = &2 - &3 &4

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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Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/UPS_COMMAND020 - Error while calling function &1; RC = &2 - &3 &4 ?

  The SAP error message /ISDFPS/UPS_COMMAND020 typically indicates an issue encountered while calling a function in the SAP system, where the return code (RC) is not as expected. This error is often related to the SAP Integrated Business Planning (IBP) or SAP Supply Chain Management (SCM) modules, particularly in the context of the Unified Planning Solution (UPS).
  
  Cause:
  The error can be caused by several factors, including but not limited to:
  
  Function Module Issues: The function being called may not be implemented correctly or may have encountered an unexpected condition.
  Authorization Issues: The user executing the function may not have the necessary authorizations to perform the action.
  Data Issues: There may be inconsistencies or missing data in the system that the function requires to execute successfully.
  Configuration Problems: Incorrect configuration settings in the system can lead to this error.
  System Performance: If the system is under heavy load, it may not be able to process the function call