How To Fix FMCA_PSOB180 - Overlap of time slot &1/&2 with time slot &3/&4 not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: FMCA_PSOB - Contract Object

• Message number: 180

• Message text: Overlap of time slot &1/&2 with time slot &3/&4 not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FMCA_PSOB180 - Overlap of time slot &1/&2 with time slot &3/&4 not allowed ?

  The SAP error message FMCA_PSOB180 indicates that there is an overlap in time slots for a particular activity or process. This error typically occurs in the context of project management, resource planning, or time management within SAP systems, particularly in modules like SAP PS (Project System) or SAP PM (Plant Maintenance).
  Cause:
  The error arises when two or more time slots for the same resource or activity overlap. This can happen in various scenarios, such as:
  
  Scheduling conflicts where a resource is assigned to multiple tasks at the same time.
  Incorrectly defined time intervals for activities or resources.
  Changes made to the schedule that result in overlapping time periods.
  
  Solution:
  To resolve the FMCA_PSOB180 error, you can take the following steps:
  
  
  Identify Overlapping Time Slots:
  
  Review the time slots mentioned in the error message (e.g., &1/&2 and &3/&4) to identify which activities or resources are conflicting.
  Check the scheduling of the resources or activities involved.
  
  
  
  Adjust Time Slots:
  
  Modify the start and end times of the conflicting activities to eliminate the overlap.
  Ensure that resources are not assigned to multiple tasks that occur simultaneously.
  
  
  
  Check Resource Availability:
  
  Verify the availability of resources to ensure they can be scheduled without conflicts.
  If necessary, reassign tasks to different resources or adjust the project timeline.
  
  
  
  Use Scheduling Tools:
  
  Utilize SAP's scheduling tools or reports to visualize resource allocation and identify potential conflicts.
  Consider using the "Capacity Planning" or "Resource Planning" functionalities to better manage resource assignments.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidelines on managing time slots and scheduling in your particular SAP module.
  
  
  
  Testing:
  
  After making adjustments, test the changes to ensure that the error no longer occurs and that the scheduling is functioning as intended.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder), CATS (Cross-Application Time Sheet), or others depending on your specific SAP module.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address known issues.
  User Roles: Ensure that users have the appropriate roles and authorizations to make changes to scheduling and resource assignments.
  
  By following these steps, you should be able to resolve the FMCA_PSOB180 error and prevent similar issues in the future.