How To Fix 5A436 - Schedule pattern & must begin with day number 001

SAP Error Message - Details

• Message type: E = Error

• Message class: 5A - Basis Personnel Management

• Message number: 436

• Message text: Schedule pattern & must begin with day number 001

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 5A436 - Schedule pattern & must begin with day number 001 ?

  The SAP error message 5A436 indicates that there is an issue with the schedule pattern in the context of planning or scheduling in SAP. Specifically, the error states that the schedule pattern must begin with day number 001. This typically occurs in scenarios involving production planning, capacity planning, or similar modules where scheduling is critical.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Incorrect Schedule Pattern Configuration: The schedule pattern defined in the system does not start with day number 001. This could be due to a misconfiguration in the scheduling settings.
  Data Entry Error: When entering or modifying a schedule pattern, the user may have inadvertently set the starting day to a number other than 001.
  Custom Development Issues: If there are custom programs or enhancements that manipulate scheduling data, they may not adhere to the required format.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Schedule Pattern Configuration:
  
  Navigate to the configuration settings for the schedule pattern in SAP.
  Ensure that the schedule pattern is correctly defined and starts with day number 001.
  
  
  
  Modify the Schedule Pattern:
  
  If you have access, go to the relevant transaction (e.g., transaction code OPP1 for scheduling) and check the details of the schedule pattern.
  If the pattern does not start with day number 001, modify it to ensure it does.
  
  
  
  Data Validation:
  
  Review any recent changes made to the scheduling data to ensure that no incorrect entries have been made.
  Validate the data against the expected format and correct any discrepancies.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for guidance on configuring schedule patterns correctly.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the configuration and data, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OPP1 (for scheduling) or MD01 (for MRP run) that may be involved in the scheduling process.
  SAP Notes: Check for any SAP Notes related to scheduling patterns and error messages that may provide additional insights or patches.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to modify schedule patterns, as restrictions may lead to errors.
  
  By following these steps, you should be able to identify and resolve the cause of the error message 5A436 in SAP.