How To Fix /ACCGO/MCK_MAINT174 - An active BOM already exists for the specified period

/ACCGO/MCK_MAINT174 - Overview

• Message type: E = Error

• Message class: /ACCGO/MCK_MAINT -

• Message number: 174

• Message text: An active BOM already exists for the specified period

Self-Explanatory Message

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/ACCGO/MCK_MAINT174 - Details

• The SAP error message /ACCGO/MCK_MAINT174 indicates that there is an attempt to create or modify a Bill of Materials (BOM) for a period where an active BOM already exists. This typically occurs in the context of managing BOMs in the SAP system, particularly in the area of production planning and materials management.
  
  Cause:
  
  Existing Active BOM: The primary cause of this error is that there is already an active BOM for the specified material and plant for the period you are trying to create or modify.
  Date Overlap: The dates specified for the new BOM overlap with the dates of an existing BOM, which prevents the system from allowing multiple active BOMs for the same material and plant during the same time frame.
  Incorrect Period Specification: The period you are trying to set for the new BOM may not be correctly defined, leading to conflicts with existing records.
  
  
  Solution:
  
  
  Check Existing BOMs: 
  
  Use transaction code CS03