How To Fix TT138 - No input values can be displayed for function &

SAP Error Message - Details

• Message type: E = Error

• Message class: TT - Extended Computer Aided Test Tool (eCATT) messages

• Message number: 138

• Message text: No input values can be displayed for function &

What causes this issue?

The input values cannot be determined using the ABAP/4 Repository
Information System.

System Response

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

How to fix this error?

If necessary, add the input values you require. If you need help
finding the values you require, specify the function and press ENTER.
For further information, use the F1 help function for the fields in
question and refer to the user's guide.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TT138 - No input values can be displayed for function & ?

  The SAP error message TT138 "No input values can be displayed for function &" typically occurs when there is an issue with the input values for a specific function module or transaction in SAP. This error can arise in various contexts, such as when trying to execute a report, transaction, or function that requires certain input parameters.
  Causes:
  
  Missing Input Values: The function or transaction you are trying to execute may require specific input values that have not been provided.
  Authorization Issues: The user may not have the necessary authorizations to view or input values for the function.
  Configuration Issues: There may be a configuration problem in the system that prevents the function from retrieving or displaying the necessary input values.
  Data Issues: The underlying data may not exist or may be incomplete, leading to the inability to display input values.
  Function Module Issues: The function module itself may not be properly defined or may have been deactivated.
  
  Solutions:
  
  Check Input Values: Ensure that all required input values are provided before executing the function or transaction. Review the documentation for the specific function to understand what inputs are necessary.
  Review Authorizations: Check if the user has the necessary authorizations to access the function. If not, contact your SAP security team to request the appropriate access.
  Configuration Review: Consult with your SAP Basis or configuration team to ensure that the function is correctly configured in the system.
  Data Validation: Verify that the data required for the function is present and complete. This may involve checking related tables or entries in the system.
  Function Module Check: If you have access to the ABAP development environment, check the function module for any issues or errors. You may need to consult with a developer if you suspect a problem with the function itself.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with the transaction codes related to the function you are trying to execute, as they may provide additional context or options for input.
  Documentation: Review the official SAP documentation for the specific function or module to understand its requirements and limitations.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support or your internal SAP support team for further assistance.