How To Fix FSCY121 - Entry &1 has invalid characters

SAP Error Message - Details

• Message type: E = Error

• Message class: FSCY - Generation of Cover Pools - Flexible Master Data Structure

• Message number: 121

• Message text: Entry &1 has invalid characters

What causes this issue?

The entry has invalid characters.
This is checked by a Business Add-In (BAdI) which checks each character
of the entry. A function module is used in the implementation which does
not allow this value to be entered.
For example, the function module checks whether the entry only consists
of letters and ends with a number (CCCCN) so that the values such as
AcSD2, gT3, and so on are allowed, but not values like D7AwF.

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 you want to check the entry, the coding of the BAdI must be changed.
Otherwise, the BAdI has to be deactivated.

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 FSCY121 - Entry &1 has invalid characters ?

  The SAP error message FSCY121, which states "Entry &1 has invalid characters," typically occurs when there are invalid characters in a field that is expected to contain only certain types of data. This error is often encountered in financial transactions, master data entries, or when processing certain types of documents.
  Cause:
  
  Invalid Characters: The entry may contain characters that are not allowed in the specific field. For example, if the field is meant for numeric values, any alphabetic characters or special symbols (other than those allowed) will trigger this error.
  Field Length Exceeded: Sometimes, the entry may exceed the maximum length allowed for that field.
  Incorrect Data Format: The data may not conform to the expected format (e.g., date formats, currency formats).
  Configuration Issues: There may be configuration settings in the system that restrict certain characters or formats.
  
  Solution:
  
  Check the Entry: Review the entry that triggered the error. Ensure that it contains only valid characters as per the field's requirements.
  Correct Format: Make sure that the data is in the correct format. For example, if a date is expected, ensure it is entered in the correct date format.
  Trim Excess Characters: If the entry exceeds the maximum length, truncate it to fit within the allowed limit.
  Consult Documentation: Refer to the SAP documentation or field help to understand the valid characters and formats for the specific field.
  Data Validation: Implement data validation checks before submitting entries to prevent such errors from occurring in the first place.
  Configuration Review: If the issue persists, review the configuration settings related to the field in question. You may need to consult with your SAP administrator or technical team.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may be using specific transaction codes (e.g., FB01 for financial document entry, XK01 for vendor master data).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Exits and BAdIs: If you have custom developments, check if there are any user exits or BAdIs that might be affecting the data entry process.
  Testing: After making corrections, test the entry again to ensure that the error has been resolved.
  
  If you continue to experience issues, consider reaching out to your SAP support team for further assistance.