How To Fix LOP164 - Check the day of the month (field &1). Business key &2

LOP164 - Overview

• Message type: E = Error

• Message class: LOP - Logistical contract options

• Message number: 164

• Message text: Check the day of the month (field &1). Business key &2

Self-Explanatory Message

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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 LOP164 - Check the day of the month (field &1). Business key &2 ?

  The SAP error message LOP164, which states "Check the day of the month (field &1). Business key &2," typically occurs in the context of logistics or inventory management processes, particularly when dealing with date-related fields in SAP.
  
  Cause:
  This error usually arises when there is an invalid date input in a field that requires a specific day of the month. The error message indicates that the day entered does not correspond to a valid date, which could be due to:
  
  Invalid Day Entry: The day entered is either out of range (e.g., 32 for a month that only has 31 days) or does not exist for the specified month (e.g., February 30).
  Incorrect Date Format: The date might not be in the expected format, leading to misinterpretation by the system.
  Business Key Issues: The business key mentioned in the error message may refer to a specific transaction or document that is being processed, which could