How To Fix BL255 - Display profile: Field catalog level &1: Field &2-&3: Wrong position

BL255 - Overview

• Message type: E = Error

• Message class: BL - Application Log

• Message number: 255

• Message text: Display profile: Field catalog level &1: Field &2-&3: Wrong position

Application log: Display of logs:
In the display profile I_S_DISPLAY_PROFILE the field catalog for level
&V1& (therefore LEV&V1&_FCAT) was defined incorrectly.
For the entry with
REF_TABLE: &V2&
REF_FIELD: &V3&
the flag IS_TREECOL = 'X' was set. This flag indicates that this field
should appear in a separate column on the right in the navigation tree.
However, this is only allowed for fields in level 1.
Solution:
In the field catalog for this field set the flag IS_TREECOL to ' '
(blank) or let it appear in level 1 of the navigation tree.

Error message extract from SAP system. Copyright SAP SE.

BL255 - Details

• The SAP error message BL255, which states "Display profile: Field catalog level &1: Field &2-&3: Wrong position," typically occurs in the context of display profiles in SAP, particularly when dealing with field catalogs in reports or ALV (ABAP List Viewer) grids. This error indicates that there is an issue with the configuration of the field catalog, specifically regarding the positioning of fields.
  
  Cause:
  
  
  Incorrect Field Positioning: The error usually arises when the fields defined in the field catalog are not positioned correctly. This could be due to:
  
  Fields being defined in a way that their positions overlap or are out of sequence.
  The field catalog being incorrectly configured, such as having a field defined at a level that does not match the expected structure.
  
  
  
  Changes in Data Structure: If the underlying data structure has changed (e.g., fields added or removed), the field catalog may not align with the current structure.
  
  
  Inconsistent Field Definitions: If there are