How To Fix WGRC120 - Double assignment not possible; date: &1, time: &2

SAP Error Message - Details

• Message type: E = Error

• Message class: WGRC - Message Class for Goods Receipt Capacity Check

• Message number: 120

• Message text: Double assignment not possible; date: &1, time: &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WGRC120 - Double assignment not possible; date: &1, time: &2 ?

  The SAP error message WGRC120 ("Double assignment not possible; date: &1, time: &2") typically occurs in the context of resource planning or scheduling within SAP, particularly in modules like SAP ERP or SAP S/4HANA. This error indicates that there is an attempt to assign a resource (such as a person, machine, or other asset) to multiple tasks or activities at the same time, which is not allowed.
  Cause:
  
  Overlapping Assignments: The resource is already assigned to another task during the specified date and time.
  Resource Capacity: The resource may have a defined capacity that is being exceeded due to overlapping assignments.
  Configuration Issues: There may be configuration settings in the system that prevent double assignments for certain resources.
  
  Solution:
  
  Check Existing Assignments: Review the current assignments for the resource in question. Ensure that there are no overlapping tasks scheduled for the same date and time.
  Adjust Scheduling: If the resource is indeed double-booked, you may need to reschedule one of the tasks to a different time or date.
  Resource Availability: Ensure that the resource is available for the new assignment. If necessary, adjust the resource's availability settings.
  Configuration Review: If this error occurs frequently, review the configuration settings related to resource assignments in your SAP system. You may need to adjust settings to allow for more flexible scheduling if appropriate.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on managing resource assignments and scheduling.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CM01, CM21, or CATS (depending on your specific SAP module) to view and manage resource assignments.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles: Ensure that the user has the appropriate permissions to make changes to resource assignments.
  Training: If users frequently encounter this error, consider providing training on resource management and scheduling best practices.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.