How To Fix S1477 - Number of weeks must be > 0

S1477 - Overview

• Message type: E = Error

• Message class: S1 - Statistik / SAP-Monitor

• Message number: 477

• Message text: Number of weeks must be > 0

What causes this issue?

You cannot display 0 weeks - that makes no sense.

System Response

The display is not changed.

How to fix this error?

You have to enter a value > 1 for the number of displayed weeks.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message S1477 - Number of weeks must be > 0 ?

  The SAP error message S1477 ("Number of weeks must be > 0") typically occurs in the context of planning or scheduling functions within SAP, such as in the Production Planning (PP) or Project System (PS) modules. This error indicates that a user has attempted to enter a value for the number of weeks that is either zero or negative, which is not acceptable in the context of the operation being performed.
  
  Cause:
  
  Invalid Input: The most common cause is that the user has entered a value of zero or a negative number in a field that requires a positive integer representing the number of weeks.
  Default Values: Sometimes, default values set in the configuration or user settings may inadvertently be set to zero.
  Data Entry Error: A simple typographical error during data entry can lead to this issue.
  
  
  Solution:
  
  Check Input Values: Review the input fields where the number of weeks is specified. Ensure that the