How To Fix GB555 - Unrecognized symbol :&

SAP Error Message - Details

• Message type: E = Error

• Message class: GB - Messages used by the Boolean code generator

• Message number: 555

• Message text: Unrecognized symbol :&

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 GB555 - Unrecognized symbol :& ?

  The SAP error message GB555 "Unrecognized symbol :&" typically occurs in the context of ABAP programming or when using certain SAP transaction codes that involve dynamic selection criteria or variable substitution. This error indicates that the system encountered a symbol or character that it does not recognize or cannot process.
  Cause:
  
  Syntax Error: The error often arises from a syntax issue in the ABAP code or in the selection screen where a variable is expected but not properly defined or formatted.
  Dynamic Selection: If you are using dynamic selection criteria, the system may not be able to interpret the variable correctly due to incorrect syntax or missing definitions.
  Incorrect Variable Usage: The use of an uninitialized or incorrectly referenced variable can lead to this error.
  Special Characters: The presence of special characters or incorrect formatting in the selection criteria can also trigger this error.
  
  Solution:
  
  Check Syntax: Review the ABAP code or the selection criteria for any syntax errors. Ensure that all variables are correctly defined and initialized.
  Variable Initialization: Make sure that any variables used in the selection criteria are properly initialized before they are referenced.
  Correct Formatting: Ensure that the formatting of the selection criteria is correct and does not include any unsupported characters or symbols.
  Debugging: Use the ABAP debugger to step through the code and identify where the error occurs. This can help pinpoint the exact location of the unrecognized symbol.
  Consult Documentation: Refer to SAP documentation or community forums for specific examples and solutions related to the GB555 error.
  
  Related Information:
  
  ABAP Documentation: Review the official SAP ABAP documentation for guidelines on variable declaration and dynamic selection.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP support team or consulting with an experienced ABAP developer for further assistance.