How To Fix OO412 - Only one DATA/TYPES statement can be edited in the screen

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 412

• Message text: Only one DATA/TYPES statement can be edited in the screen

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OO412 - Only one DATA/TYPES statement can be edited in the screen ?

  The SAP error message OO412 ("Only one DATA/TYPES statement can be edited in the screen") typically occurs in the ABAP Workbench when you are trying to edit a screen that contains multiple DATA or TYPES statements. In ABAP, you can only have one DATA or TYPES statement in a screen at a time.
  
  Cause:
  The error is caused by the presence of multiple DATA or TYPES statements in the same screen. This is not allowed in the ABAP programming environment, as it can lead to ambiguity and confusion regarding variable declarations.
  
  Solution:
  To resolve this error, you need to ensure that there is only one DATA or TYPES statement in the screen. Here are the steps you can take:
  
  
  Open the Screen in the Screen Painter: Go to the screen where the error is occurring.
  
  
  Check for Multiple DATA/TYPES Statements: Look for any DATA or TYPES statements in the screen's flow logic or in the screen