How To Fix PPEACT579 - You have not specified a mode priority at &1 &2

PPEACT579 - Overview

• Message type: E = Error

• Message class: PPEACT - Messages for iPPE ACT Application (Activities)

• Message number: 579

• Message text: You have not specified a mode priority at &1 &2

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 PPEACT579 - You have not specified a mode priority at &1 &2 ?

  The SAP error message PPEACT579 indicates that a mode priority has not been specified for a particular object or activity in the system. This error typically arises in the context of production planning or capacity planning, where mode priorities are essential for determining how resources are allocated and scheduled.
  
  Cause:
  The error occurs when:
  
  A mode (e.g., a specific production method or resource configuration) is expected to have a priority assigned, but none has been defined in the system.
  The system is trying to execute a planning or scheduling operation that requires mode priorities, but the relevant configuration is missing.
  
  
  Solution:
  To resolve the PPEACT579 error, you can take the following steps:
  
  
  Check Mode Configuration:
  
  Navigate to the relevant configuration settings for the production process or resource in question.
  Ensure that mode priorities are defined for all necessary modes. This can typically be done in the transaction codes related to production planning (e.g., C223 for mode definitions).
  
  
  
  Define Mode Priorities:
  
  If