How To Fix 88789 - Problem with declaration for &1; too many &4 declared

88789 - Overview

• Message type: E = Error

• Message class: 88 - REA Processing

• Message number: 789

• Message text: Problem with declaration for &1; too many &4 declared

What causes this issue?

The declaration for &V1& arises a problem because not all information
gained during the declaration run can be transfered to the interface of
the Dual System.

System Response

The interface of the Dual System only allows a limited number of &V1&s
being transfered. The &V1& to be declared exceed this number. Since not
the complete information could be transferred, the declaration was not
processed correctly.

Error message extract from SAP system. Copyright SAP SE.

88789 - Details

• The SAP error message 88789, which states "Problem with declaration for &1; too many &4 declared," typically occurs in the context of ABAP programming. This error indicates that there is an issue with the declaration of variables or parameters in your ABAP program or function module. Specifically, it suggests that there are too many instances of a particular type of variable or parameter declared, which exceeds the allowed limit.
  
  Cause:
  
  Excessive Declarations: The error usually arises when you have declared more variables of a certain type than the system can handle. This can happen in structures, tables, or function parameters.
  Incorrect Data Types: Sometimes, the issue may stem from using incorrect or incompatible data types in your declarations.
  Nested Structures: If you have nested structures or tables, the total number of declared elements may exceed the limit.
  
  
  Solution:
  
  Review Declarations: Go through your code and check the declarations of variables, parameters, and structures. Ensure that you