How To Fix TFW_API019 - Function module '&1': Input data contains errors

SAP Error Message - Details

• Message type: E = Error

• Message class: TFW_API - Messages for TFW APIs

• Message number: 019

• Message text: Function module '&1': Input data contains errors

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 TFW_API019 - Function module '&1': Input data contains errors ?

  The SAP error message TFW_API019 indicates that there are errors in the input data being processed by a specific function module. This error typically arises when the data provided to the function module does not meet the expected format, constraints, or validation rules defined in the system.
  Causes:
  
  Invalid Data Format: The input data may not conform to the expected data types or formats (e.g., date formats, numeric values).
  Missing Required Fields: Some required fields may be missing from the input data.
  Data Constraints Violations: The data may violate business rules or constraints defined in the system (e.g., foreign key constraints).
  Incorrect Data Values: The values provided may not be valid (e.g., an invalid customer ID or product code).
  Inconsistent Data: The data may be inconsistent with other related data in the system.
  
  Solutions:
  
  Check Input Data: Review the input data being passed to the function module. Ensure that all required fields are populated and that the data types and formats are correct.
  Validate Data: Use validation tools or techniques to check the data against the expected criteria. This may involve checking for valid ranges, formats, and relationships between data elements.
  Review Function Module Documentation: Consult the documentation for the specific function module to understand the expected input parameters and any constraints that may apply.
  Debugging: If you have access to the SAP system, you can use debugging tools to step through the function module and identify where the error occurs.
  Error Handling: Implement error handling in your code to capture and log detailed error messages, which can help in diagnosing the issue.
  
  Related Information:
  
  Transaction Codes: You may want to check transaction codes related to the function module for additional context or tools (e.g., SE37 for function module maintenance).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address known issues or provide additional guidance on the error.
  Community Forums: Consider checking SAP community forums or discussion boards for similar issues encountered by other users and their solutions.
  
  By following these steps, you should be able to identify the root cause of the TFW_API019 error and implement a solution to resolve it.