How To Fix FT205 - Rule for bank key is 1 - specify length of bank number

SAP Error Message - Details

• Message type: E = Error

• Message class: FT - FI Table Maintenance Error Messages

• Message number: 205

• Message text: Rule for bank key is 1 - specify length of bank number

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 FT205 - Rule for bank key is 1 - specify length of bank number ?

  The SAP error message FT205, which states "Rule for bank key is 1 - specify length of bank number," typically occurs when there is an issue with the configuration of the bank key and bank number in the SAP system. This error is often encountered during the processing of bank master data or when entering bank details for vendors or customers.
  Cause:
  The error is caused by a mismatch between the expected length of the bank number and the actual length provided. Specifically, the bank key configuration in the system is set to expect a certain length for the bank number, but the input does not meet this requirement. This can happen due to:
  
  Incorrect Bank Key Configuration: The bank key may be configured to expect a specific length for the bank number, but the number being entered does not conform to this length.
  Data Entry Error: The user may have entered an incorrect or incomplete bank number.
  Country-Specific Requirements: Different countries have different formats and lengths for bank numbers (e.g., IBAN, BIC). If the configuration does not align with the country-specific requirements, this error may occur.
  
  Solution:
  To resolve the FT205 error, you can take the following steps:
  
  
  Check Bank Key Configuration:
  
  Go to the transaction code OBBN (or navigate through the menu: SPRO > Financial Accounting > Bank Accounting > Bank Master Data > Define Bank Key).
  Verify the configuration for the bank key in question. Ensure that the length of the bank number specified matches the expected length for the bank numbers you are trying to enter.
  
  
  
  Verify Bank Number Length:
  
  Ensure that the bank number you are entering conforms to the expected length as defined in the bank key configuration.
  If necessary, adjust the bank number to meet the required length.
  
  
  
  Country-Specific Settings:
  
  Check if there are any country-specific settings that need to be configured. This can include formats for IBAN or other bank identifiers.
  You can find these settings in the same configuration area where you defined the bank key.
  
  
  
  Data Entry:
  
  Double-check the data entry for any typos or errors. Ensure that the bank number is complete and correctly formatted.
  
  
  
  Consult Documentation:
  
  If you are unsure about the correct configuration or length requirements, consult SAP documentation or your organization's SAP support team for guidance.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  OBBN: Define Bank Key
  FI01: Create Bank Master Record
  FI02: Change Bank Master Record
  FI03: Display Bank Master Record
  
  
  
  Bank Master Data: Understanding how bank master data is structured in SAP is crucial. This includes knowing the differences between bank keys, bank accounts, and how they relate to vendors and customers.
  
  
  Country-Specific Formats: Familiarize yourself with the bank number formats required for different countries, as this can affect how you configure bank keys in SAP.
  
  
  By following these steps, you should be able to resolve the FT205 error and ensure that bank details are entered correctly in the SAP system.