How To Fix PSB_API_MSGCL066 - Enter the control key

SAP Error Message - Details

• Message type: E = Error

• Message class: PSB_API_MSGCL -

• Message number: 066

• Message text: Enter the control key

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 PSB_API_MSGCL066 - Enter the control key ?

  The SAP error message PSB_API_MSGCL066, which states "Enter the control key," typically occurs in the context of project system (PS) or related modules where a control key is required for a specific operation, such as creating or modifying a project, network, or activity.
  
  Cause:
  The error is triggered when a user attempts to perform an action that requires a control key, but the control key field is either left blank or not properly filled. Control keys are essential in SAP as they define how a particular operation or task should be processed, including aspects like scheduling, costing, and resource allocation.
  
  Solution:
  To resolve this error, follow these steps:
  
  
  Identify the Field: Locate the control key field in the transaction or screen you are working on. This is usually labeled as "Control Key" or similar.
  
  
  Enter a Valid Control Key: Input a valid control key that corresponds to the operation you are trying to perform. Common control