How To Fix /PM0/3FW_CHK_MESS018 - Strategy &1 does not have a predecessor link

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/3FW_CHK_MESS -

• Message number: 018

• Message text: Strategy &1 does not have a predecessor link

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/3FW_CHK_MESS018 - Strategy &1 does not have a predecessor link ?

  The SAP error message /PM0/3FW_CHK_MESS018 indicates that a specific strategy (denoted by &1) does not have a predecessor link. This error typically arises in the context of project management or production planning within SAP, particularly when dealing with strategies in the context of maintenance planning or production scheduling.
  Cause:
  
  Missing Predecessor Link: The strategy you are trying to use is expected to have a predecessor link to another strategy or task, but it does not. This could be due to incorrect configuration or missing data in the strategy setup.
  Incorrect Strategy Configuration: The strategy may not have been properly defined in the system, leading to the absence of necessary links.
  Data Integrity Issues: There may be issues with the data integrity in the system, such as missing entries in the database that link strategies together.
  
  Solution:
  
  
  Check Strategy Configuration:
  
  Go to the configuration settings for the strategy in question. Ensure that it is correctly set up with the necessary predecessor links.
  You can do this by navigating to the relevant transaction codes (like IP01 for creating maintenance plans or IP02 for changing them) and checking the strategy details.
  
  
  
  Define Predecessor Links:
  
  If the strategy is missing a predecessor, you may need to define one. This can usually be done in the strategy configuration screen where you can specify predecessor tasks or strategies.
  
  
  
  Review Related Strategies:
  
  Check if there are other strategies that should logically precede the one in question. If so, establish the necessary links.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to strategy configuration to ensure that you are following the correct procedures.
  
  
  
  Data Consistency Check:
  
  Run a data consistency check to identify any other potential issues in the system that might be causing this error.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They may provide insights specific to your system configuration.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IP01, IP02, IP03 for maintenance plans, or CS01, CS02, CS03 for creating and managing strategies.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional context or solutions.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.