Message type: E = Error
Message class:  FKK_ID_XX_ODN - ODN message 
Message number: 038
Message text: Do not repeat the same placeholder in the format
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.
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The SAP error message FKK_ID_XX_ODN038 typically indicates that there is an issue with the formatting of a document or message in the SAP system, specifically related to the use of placeholders. This error occurs when the same placeholder is repeated in the format string, which is not allowed.
Cause: The error is caused by the following: The format string used in the document or message contains duplicate placeholders. For example, if you have a placeholder for a customer name and you use it multiple times in the same format string, the system will throw this error. This can happen in various contexts, such as invoice formats, payment advice formats, or any other document where placeholders are used to dynamically insert data.
Solution: To resolve the error, you can take the following steps: Review the Format String: Check the format string where the error is occurring. Look for any repeated placeholders and ensure that each placeholder is unique. Modify
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