How To Fix BOS01017 - '&' is not a valid expression

BOS01017 - Overview

• Message type: E = Error

• Message class: BOS01 - Customer BOS Processing

• Message number: 017

• Message text: '&' is not a valid expression

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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BOS01017 - Details

• The SAP error message BOS01017, which states that '&' is not a valid expression, typically occurs in the context of Business Objects (BO) or SAP BusinessObjects when there is an issue with the syntax of a formula or expression in a report or query.
  
  Cause:
  
  Invalid Syntax: The most common cause of this error is the use of an invalid character or syntax in a formula. The '&' character is often used for concatenation in many programming languages, but it may not be recognized in the context you are using it.
  Incorrect Data Type: If you are trying to perform operations on incompatible data types (e.g., trying to concatenate a string with a number without proper conversion), this error may occur.
  Missing or Incorrectly Placed Parentheses: If there are missing or incorrectly placed parentheses in your expression, it can lead to this error.
  Use of Reserved Keywords: If you are using reserved keywords or functions