How To Fix EU155 - Nesting is incorrect (a & statement is missing)

EU155 - Overview

• Message type: E = Error

• Message class: EU - Development Environment

• Message number: 155

• Message text: Nesting is incorrect (a & statement is missing)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message EU155 - Nesting is incorrect (a & statement is missing) ?

  The SAP error message EU155, which states "Nesting is incorrect (a & statement is missing)," typically occurs in the context of ABAP programming, particularly when dealing with the use of control structures such as loops, conditional statements, or modularization units (like FORM routines). This error indicates that there is a problem with the structure of your code, specifically that there is a missing or incorrectly placed & statement that is necessary for proper nesting of control structures.
  
  Cause:
  
  Incorrect Nesting of Control Structures: The error often arises when there is a mismatch in the opening and closing of control structures (like IF, CASE, LOOP, etc.). For example, if you have an IF statement that is not properly closed before another IF or LOOP statement begins, it can lead to this error.
  Missing & Statement: In some cases, the error can be triggered by a missing & statement that is required to indicate the