How To Fix C5555 - Select another secondary resource number, this one already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: C5 - Master Recipe

• Message number: 555

• Message text: Select another secondary resource number, this one already exists

What causes this issue?

You assigned a secondary resource number which is already being used.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Enter a secondary resource number which has not been assigned.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C5555 - Select another secondary resource number, this one already exists ?

  The SAP error message C5555, which states "Select another secondary resource number, this one already exists," typically occurs in the context of production planning or resource management within SAP. This error indicates that the secondary resource number you are trying to assign or use is already in use or has been defined elsewhere in the system.
  
  Cause:
  
  Duplicate Resource Assignment: The secondary resource you are trying to assign is already linked to another operation or task in the system.
  
  Configuration Issues: There may be configuration settings that prevent the use of the same secondary resource across different operations or tasks.
  Data Integrity Issues: There might be inconsistencies in the data, such as incorrect entries or missing information that leads to this error.
  
  
  Solution:
  
  
  Check Existing Assignments: Review the existing assignments of the secondary resource in the system. You can do this by navigating to the relevant transaction (e.g., CO02 for production orders) and checking the operations