How To Fix OC174 - Start time before allowed time

SAP Error Message - Details

• Message type: E = Error

• Message class: OC - IS-Oil: BDRP Bulk Distribution Requirement Planning messages

• Message number: 174

• Message text: Start time before allowed time

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OC174 - Start time before allowed time ?

  The SAP error message OC174 "Start time before allowed time" typically occurs in the context of scheduling or planning activities within SAP, particularly in modules related to production planning, project management, or maintenance. This error indicates that the start time for a particular operation, task, or activity is set before the system's defined allowed time, which can be due to various reasons.
  Causes:
  
  Incorrect Time Settings: The start time for the operation may be set incorrectly, either manually or through a scheduling algorithm.
  Configuration Issues: The system may have specific configurations that define allowed time frames for operations, and the current settings may not align with these configurations.
  Calendar Settings: The work calendar or factory calendar may not allow operations to start at the specified time due to non-working days or hours.
  Dependencies: There may be dependencies or constraints set on the operation that prevent it from starting at the desired time.
  
  Solutions:
  
  Check Time Settings: Review the start time set for the operation and ensure it is within the allowed time frame. Adjust the start time if necessary.
  Review Configuration: Check the configuration settings related to scheduling and allowed times in the relevant SAP module. Ensure that they are set correctly according to business requirements.
  Examine Calendar Settings: Verify the work calendar or factory calendar settings to ensure that the operation is scheduled during allowed working hours.
  Adjust Dependencies: If there are dependencies or constraints affecting the operation, review and adjust them as needed to allow for the desired start time.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines related to the module you are working with, as there may be additional considerations or settings that need to be addressed.
  
  Related Information:
  
  Transaction Codes: Depending on the module, you may need to use specific transaction codes to access scheduling or planning functions (e.g., CO01 for production orders, CJ20N for project management).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to make changes to scheduling and planning settings.
  Testing: After making adjustments, test the changes in a development or quality environment before applying them to production to ensure that the issue is resolved without introducing new problems.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.