How To Fix DT265 - Field &: . in the first position is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 265

• Message text: Field &: . in the first position is not allowed

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 DT265 - Field &: . in the first position is not allowed ?

  The SAP error message DT265 indicates that there is an issue with the data being entered in a specific field, where the first position of the field is not allowed to contain a certain character or value. This error typically arises in scenarios involving data entry, especially when dealing with fields that have specific formatting or validation rules.
  Cause:
  
  Invalid Character: The first character of the field may be invalid according to the field's data type or format. For example, if the field is expected to start with a letter but starts with a number or special character, this error will occur.
  Field Configuration: The field may have been configured in such a way that it does not allow certain characters in the first position.
  Data Type Mismatch: The data being entered may not match the expected data type for that field (e.g., entering a string in a numeric field).
  Custom Validation Rules: There may be custom validation rules implemented in the system that restrict the first character of the field.
  
  Solution:
  
  Check Input Data: Review the data being entered in the field and ensure that the first character complies with the expected format. For example, if the field should start with a letter, make sure it does.
  Field Configuration Review: If you have access, check the field configuration in the SAP system to understand the allowed values and formats. This may require assistance from a system administrator or SAP consultant.
  Consult Documentation: Refer to the relevant SAP documentation or help files for the specific transaction or module you are working with to understand the field requirements.
  Error Message Details: Sometimes, the error message may provide additional details or context. Pay attention to any additional information that may accompany the error message.
  Testing: If possible, try entering different values in the field to identify what is acceptable and what triggers the error.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide insights into similar issues faced by other users and potential fixes.
  Transaction Codes: If this error occurs in a specific transaction, note the transaction code and search for related forums or documentation that may address this issue.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  If the issue persists after trying the above solutions, it may be necessary to escalate the problem to your SAP support team or consult with an SAP expert for further assistance.