How To Fix EC155 - &1 contains a reserved character

EC155 - Overview

• Message type: E = Error

• Message class: EC - Development environment: Menu Painter

• Message number: 155

• Message text: &1 contains a reserved character

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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Smart SAP Assistant

• What is the cause and solution for SAP error message EC155 - &1 contains a reserved character ?

  The SAP error message EC155 indicates that a certain field contains a reserved character that is not allowed in the context of the operation you are trying to perform. This error typically arises when dealing with data input in SAP systems, especially in fields that are expected to contain specific formats or characters.
  
  Cause:
  The error occurs when:
  
  The input data contains special characters that are reserved for specific functions in SAP (e.g., characters like @, #, $, %, etc.).
  The field is expected to contain alphanumeric characters only, and the presence of reserved characters violates this rule.
  The data being processed may come from external sources or user input that has not been validated properly.
  
  
  Solution:
  To resolve the EC155 error, you can take the following steps:
  
  
  Identify the Field: Determine which field is causing the error. The error message should indicate the specific field (denoted by &1).
  
  
  Check Input Data: Review the data being entered into the