How To Fix PAMS155 - Scheduling did not occur due to invalid element

SAP Error Message - Details

• Message type: E = Error

• Message class: PAMS - Messages for Graphical Planning Board

• Message number: 155

• Message text: Scheduling did not occur due to invalid element

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message PAMS155 - Scheduling did not occur due to invalid element ?

  The SAP error message PAMS155, which states "Scheduling did not occur due to invalid element," typically arises in the context of the SAP Advanced Planning and Optimization (APO) module or similar scheduling functionalities within SAP. This error indicates that there is an issue with the data or configuration related to the scheduling process.
  Causes:
  
  Invalid Master Data: The error may occur if there are issues with the master data, such as materials, resources, or production versions that are not correctly defined or are missing.
  Incorrect Planning Parameters: If the planning parameters or settings for the scheduling run are not correctly configured, it can lead to this error.
  Missing or Incorrectly Defined Elements: The scheduling process may reference elements (like production orders, planned orders, or resources) that do not exist or are not correctly defined in the system.
  Authorization Issues: Sometimes, the user executing the scheduling may not have the necessary authorizations to access certain elements, leading to this error.
  Data Consistency Issues: Inconsistencies in the data, such as broken links between master data and transactional data, can also trigger this error.
  
  Solutions:
  
  Check Master Data: Verify that all relevant master data (materials, resources, etc.) is correctly defined and active. Ensure that there are no missing or invalid entries.
  Review Planning Parameters: Check the planning parameters and settings in the APO or relevant module to ensure they are correctly configured for the scheduling run.
  Validate Elements: Ensure that all elements referenced in the scheduling process are valid and exist in the system. This includes checking for any missing production orders or resources.
  Authorization Check: Confirm that the user has the necessary authorizations to execute the scheduling process and access all required elements.
  Data Consistency Check: Run consistency checks in the system to identify and resolve any data inconsistencies that may be causing the error.
  Logs and Traces: Review logs and traces for more detailed error messages that can provide additional context on what specifically is causing the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common errors.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/SDP94 for planning board or /SAPAPO/MC90 for checking the consistency of master data.
  Documentation: Refer to SAP documentation for APO or the specific module you are working with for detailed information on scheduling processes and configurations.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.