How To Fix EG721 - Enter switch-on or switch-off time

SAP Error Message - Details

• Message type: E = Error

• Message class: EG - IS-U device management

• Message number: 721

• Message text: Enter switch-on or switch-off time

What causes this issue?

You have specified the switch-on or switch-off time for a command.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Always enter both the switch-on and the switch-off time.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EG721 - Enter switch-on or switch-off time ?

  The SAP error message EG721, which states "Enter switch-on or switch-off time," typically occurs in the context of scheduling or managing time-related data in SAP, particularly in modules related to production planning, maintenance, or similar areas where time management is crucial.
  Cause:
  The error arises when a user attempts to perform an action that requires specifying a switch-on or switch-off time, but these times have not been provided. This could happen in various scenarios, such as:
  
  When creating or modifying a maintenance plan.
  When scheduling a production order.
  When entering data in a time-dependent field that requires specific time inputs.
  
  Solution:
  To resolve the EG721 error, you should:
  
  
  Check Input Fields: Ensure that you have filled in the required fields for switch-on and switch-off times. These fields are usually mandatory for the operation you are trying to perform.
  
  
  Correct Format: Make sure that the time is entered in the correct format as expected by the system (e.g., HH:MM).
  
  
  Review Documentation: If you are unsure about where to enter these times, refer to the relevant SAP documentation or help files for the specific transaction or module you are working with.
  
  
  Consult with Colleagues: If you are part of a team, check with colleagues who may have experience with the specific transaction or process to ensure you are following the correct procedure.
  
  
  System Configuration: If you believe that the fields should not be mandatory, it may be worth checking with your SAP administrator or support team to see if there are configuration settings that need to be adjusted.
  
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes depending on the context (e.g., IW31 for maintenance orders, CO01 for production orders).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Training: Ensure that users are adequately trained on the processes that involve time management to minimize the occurrence of such errors.
  
  If the problem persists after following these steps, it may be necessary to escalate the issue to your SAP support team for further investigation.