How To Fix CR177 - Finish time must not be before start time

CR177 - Overview

• Message type: E = Error

• Message class: CR - (1,099) Work Center; (100,200) Capacity

• Message number: 177

• Message text: Finish time must not be before start 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.

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 CR177 - Finish time must not be before start time ?

  The SAP error message CR177 ("Finish time must not be before start time") typically occurs in the context of project management or production planning when the finish time of a task or activity is set to an earlier time than its start time. This can happen in various SAP modules, such as SAP Project System (PS) or SAP Production Planning (PP).
  
  Cause:
  
  Incorrect Time Entry: The finish time has been entered incorrectly, either manually or through a data import.
  System Configuration: There may be issues with the configuration of the project or task settings that do not allow for proper time entries.
  Data Migration Issues: If data has been migrated from another system, there may be inconsistencies in the time entries.
  User Error: Users may inadvertently enter the finish time before the start time due to misunderstanding the fields or the sequence of operations.
  
  
  Solution:
  
  Check Time Entries: Review the start and finish times for the task