How To Fix ISU_UIL121 - The input is invalid. Check the parameters.

SAP Error Message - Details

• Message type: E = Error

• Message class: ISU_UIL - Message class for UPIL

• Message number: 121

• Message text: The input is invalid. Check the parameters.

What causes this issue?

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?

Contact your system administrator.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ISU_UIL121 - The input is invalid. Check the parameters. ?

  The SAP error message ISU_UIL121, which states "The input is invalid. Check the parameters," typically occurs in the context of SAP IS-U (Utilities) when there is an issue with the input parameters provided in a transaction or a report. This error can arise from various reasons, and here are some common causes, potential solutions, and related information:
  Causes:
  
  Invalid Input Values: The user may have entered values that are not acceptable for the fields in question. This could include incorrect formats, out-of-range values, or unsupported characters.
  Missing Required Fields: Some fields may be mandatory, and if they are left blank or not filled out correctly, the system will throw this error.
  Data Type Mismatch: The input data type may not match the expected data type for the field (e.g., entering text in a numeric field).
  Configuration Issues: There may be issues with the configuration of the IS-U module that affect how inputs are validated.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to perform the action, leading to validation errors.
  
  Solutions:
  
  Check Input Values: Review the values entered in the fields and ensure they conform to the expected formats and ranges. For example, if a date is required, ensure it is in the correct format (e.g., DD/MM/YYYY).
  Fill All Required Fields: Ensure that all mandatory fields are filled out correctly. Look for any asterisks (*) or other indicators that denote required fields.
  Data Type Verification: Verify that the data types of the inputs match the expected types. For instance, ensure that numeric fields do not contain alphabetic characters.
  Review Configuration: If you have access, check the configuration settings in the IS-U module to ensure that they are set up correctly. This may require assistance from a system administrator or SAP consultant.
  Consult Documentation: Refer to SAP documentation or help files for the specific transaction or report you are using to understand the expected input parameters.
  Check Authorizations: Ensure that you have the necessary authorizations to perform the action. If not, contact your system administrator to review your user roles and permissions.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search the SAP Support Portal for relevant notes.
  Transaction Codes: If this error occurs in a specific transaction, note the transaction code and consult the transaction documentation for further details.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to involve your SAP support team or a consultant who specializes in SAP IS-U for further investigation.