How To Fix /PM0/ABJ_MSG012 - Illegal call get_finish_no without mr_journal

/PM0/ABJ_MSG012 - Overview

• Message type: E = Error

• Message class: /PM0/ABJ_MSG -

• Message number: 012

• Message text: Illegal call get_finish_no without mr_journal

Self-Explanatory Message

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/PM0/ABJ_MSG012 - Details

• The SAP error message /PM0/ABJ_MSG012 Illegal call get_finish_no without mr_journal typically indicates that there is an issue with the method call in the ABAP code related to the journal entries in the Project Management (PM) module. This error suggests that the method get_finish_no is being called without a valid journal object (mr_journal), which is required for the method to function correctly.
  
  Cause:
  
  Missing Journal Object: The most common cause of this error is that the mr_journal object is not initialized or is set to null when the get_finish_no method is called.
  Incorrect Logic: There may be a logical error in the code where the method is called without ensuring that the necessary prerequisites (like the journal object) are met.
  Data Integrity Issues: There could be issues with the data being processed, such as missing or incomplete records that the method relies on.
  
  
  Solution:
  
  
  Check Initialization: Ensure that the mr_journal object is properly initialized before calling the