How To Fix AR108 - The mask for & has the length zero

AR108 - Overview

• Message type: E = Error

• Message class: AR - SSRV function module messages

• Message number: 108

• Message text: The mask for & has the length zero

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.

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AR108 - Details

• The SAP error message AR108, which states "The mask for & has the length zero," typically occurs in the context of data entry or configuration where a field or parameter is expected to have a specific format or length, but it has been defined with a length of zero. This can happen in various scenarios, such as when defining input masks for fields in SAP.
  
  Cause:
  
  Configuration Issue: The error often arises from a configuration issue where the input mask for a field has not been properly defined or has been inadvertently set to zero length.
  Data Entry Error: It can also occur if a user attempts to enter data into a field that requires a specific format, but the format has not been set up correctly in the system.
  Custom Development: If there are custom programs or enhancements, they might not be handling the input masks correctly, leading to this error.
  
  
  Solution:
  
  
  Check Field Configuration:
  
  Go