How To Fix IW578 - Service package available: Conversion of control key not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: IW - Order Processing

• Message number: 578

• Message text: Service package available: Conversion of control key not possible

What causes this issue?

You want to change the <DS:GLOS.control_key>control key</> for an
operation with a service package, which is planned for internal
processing, into a control key which does not allow any service
packages.

System Response

The system only permits this so long as no service package is
maintained for the operation.

How to fix this error?

Choose another control key.
If you want to change the control key in the way entered, you must
delete the operation and re-enter it.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IW578 - Service package available: Conversion of control key not possible ?

  The SAP error message IW578, which states "Service package available: Conversion of control key not possible," typically occurs in the context of maintenance and service order processing. This error indicates that there is an issue with the control key associated with the service package, which is preventing the system from processing the order correctly.
  Causes:
  
  Invalid Control Key: The control key assigned to the service package may not be valid for the operation being performed. This can happen if the control key is not configured correctly in the system.
  Missing Configuration: The control key may not be set up to allow for the specific type of processing you are attempting (e.g., it may not allow for certain operations or statuses).
  Inconsistent Data: There may be inconsistencies in the data related to the service package or the control key, such as missing or incorrect entries in the configuration tables.
  Authorization Issues: The user may not have the necessary authorizations to perform the action associated with the control key.
  
  Solutions:
  
  
  Check Control Key Configuration:
  
  Go to the configuration settings for control keys in SAP (Transaction code: OPL8 or SPRO).
  Verify that the control key assigned to the service package is correctly configured for the operations you are trying to perform.
  
  
  
  Review Service Package Settings:
  
  Ensure that the service package is correctly defined and that all necessary parameters are set.
  Check if the service package is active and available for use.
  
  
  
  Data Consistency Check:
  
  Perform a consistency check on the data related to the service package and control key.
  Look for any missing or incorrect entries in the relevant tables.
  
  
  
  User Authorizations:
  
  Verify that the user has the necessary authorizations to perform the action associated with the control key.
  If needed, consult with your SAP security team to ensure proper access rights.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that resolve known issues.
  
  
  
  Testing:
  
  After making any changes, test the process again to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IW31 (Create Order), IW32 (Change Order), and IW33 (Display Order) to navigate through service orders.
  Documentation: Review SAP documentation related to service order processing and control key configuration for more detailed guidance.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.