How To Fix OC866 - New material start date/time cannot be same as that of other assignments

OC866 - Overview

• Message type: E = Error

• Message class: OC - IS-Oil: BDRP Bulk Distribution Requirement Planning messages

• Message number: 866

• Message text: New material start date/time cannot be same as that of other assignments

Self-Explanatory Message

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OC866 - Details

• The SAP error message OC866 indicates that there is a conflict with the start date and time of a new material assignment in relation to existing assignments. This typically occurs when you are trying to create or modify a material assignment in a way that overlaps with existing assignments, which is not allowed in the system.
  
  Cause:
  
  Overlapping Dates: The new material assignment you are trying to create has a start date and time that is the same as an existing assignment.
  Data Entry Error: There may have been a mistake in entering the dates or times for the new assignment.
  
  Configuration Issues: The system may have specific configurations that prevent overlapping assignments.
  
  
  Solution:
  
  Check Existing Assignments: Review the existing material assignments to identify any that have the same start date and time as the new assignment you are trying to create.
  Adjust Dates/Times: Modify the start date and/or time of the new assignment to ensure it