How To Fix AD128 - Max. length of & is &

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 128

• Message text: Max. length of & is &

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message AD128 - Max. length of & is & ?

  The SAP error message AD128, which states "Max. length of & is &," typically occurs when a field in an SAP application exceeds its defined maximum length. This error can arise in various contexts, such as when entering data in a transaction, uploading files, or processing data in reports.
  Cause:
  The error is triggered when the input data exceeds the maximum length defined for a specific field in the database or application. This can happen in several scenarios, such as:
  
  Inputting a string that is longer than the allowed character limit.
  Importing data from external sources where the data length does not conform to the SAP field specifications.
  Using custom programs or enhancements that do not adhere to the defined field lengths.
  
  Solution:
  To resolve the AD128 error, you can take the following steps:
  
  
  Check Field Lengths: Identify the field that is causing the error and check its maximum length in the data dictionary (SE11) or the relevant transaction. Ensure that the data you are trying to input does not exceed this length.
  
  
  Data Validation: Before entering data, validate it to ensure it meets the length requirements. This can be done through input validation checks in custom programs or user exits.
  
  
  Truncate Data: If the data being entered is too long, consider truncating it to fit within the allowed length. However, be cautious with this approach, as it may lead to loss of important information.
  
  
  Modify Data Source: If the error occurs during data import, ensure that the source data conforms to the length restrictions of the target fields in SAP.
  
  
  Consult Documentation: Review the relevant SAP documentation or help files for specific field length requirements related to the transaction or module you are working with.
  
  
  Custom Development: If you are working with custom programs, ensure that the code adheres to the field length restrictions. You may need to modify the program logic to handle longer strings appropriately.
  
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may be using various transaction codes (e.g., VA01 for sales orders, ME21N for purchase orders).
  Data Dictionary (SE11): Use this transaction to check the technical details of the fields, including their maximum lengths.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific transaction or module you are working with.
  User Exits and BAdIs: If you are using user exits or Business Add-Ins (BAdIs), ensure that they are correctly implemented to handle data length checks.
  
  By following these steps, you should be able to identify the cause of the AD128 error and implement a suitable solution.