Message type: E = Error
Message class:  ICLN01 - ICL FNOL, General Messages 
Message number: 124
Message text: Enter your evening telephone number
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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The SAP error message ICLN01124, which prompts the user to "Enter your evening telephone number," typically occurs in the context of maintaining or updating personal information in the SAP system, particularly in modules related to employee data or customer information.
Cause: This error message indicates that the system requires the user to provide an evening telephone number as part of the data entry process. This requirement may be due to specific configuration settings in the SAP system that mandate certain fields to be filled out before proceeding.
Solution: To resolve this error, you should: Locate the Evening Telephone Number Field: Navigate to the section of the SAP application where you are entering or updating your personal information (e.g., in the employee master data or customer master data). Enter the Required Information: Find the field labeled for the evening telephone number and enter a valid telephone number. If you do not have an evening telephone number, you
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