How To Fix /STTPEC/INT_MSG503 - Invalid Field Type

SAP Error Message - Details

• Message type: E = Error

• Message class: /STTPEC/INT_MSG -

• Message number: 503

• Message text: Invalid Field Type

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /STTPEC/INT_MSG503 - Invalid Field Type ?

  The SAP error message /STTPEC/INT_MSG503 Invalid Field Type typically indicates that there is an issue with the data type of a field being processed in a specific context, often related to the integration of data or the configuration of a particular module.
  Cause:
  
  Data Type Mismatch: The error usually arises when the system encounters a field with a data type that is not expected or is incompatible with the operation being performed. This can happen during data import/export, interface processing, or when calling a function module.
  Configuration Issues: Incorrect configuration in the relevant module or interface settings can lead to this error. This might include incorrect field definitions or mappings.
  Custom Development: If there are custom programs or enhancements, they may not be handling field types correctly, leading to this error.
  Data Integrity Issues: If the data being processed contains unexpected values or formats, it can trigger this error.
  
  Solution:
  
  Check Field Definitions: Review the field definitions in the relevant data structure or table. Ensure that the data types match what is expected by the program or function module.
  Review Configuration: If the error occurs in a specific module (like SAP PI/PO, for example), check the configuration settings for any discrepancies in field mappings or data types.
  Debugging: Use the SAP debugger to trace the execution of the program or function module that is generating the error. This can help identify where the invalid field type is being encountered.
  Data Validation: Validate the data being processed to ensure it conforms to the expected formats and types. This may involve checking for null values, incorrect formats, or unexpected characters.
  Consult Documentation: Refer to SAP documentation or notes related to the specific module or function you are working with. There may be known issues or patches available.
  Engage SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP support for assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on similar issues.
  Community Forums: SAP Community and other forums can be valuable resources for finding similar issues faced by other users and potential solutions.
  Transaction Codes: Familiarize yourself with transaction codes related to the module you are working with, as they can provide insights into configuration and data management.
  
  By following these steps, you should be able to identify the root cause of the /STTPEC/INT_MSG503 Invalid Field Type error and implement an appropriate solution.