This error message occurs when you switch to design mode on a TWebForm with TWebHTMLContainer and HTML. Strings with value.
TMS v2.3.7064
VSC Version: 1.85.1 (user setup)
Electron: 25.9.7
ElectronBuildId: 25551756
Chromium: 114.0.5735.289
Node.js: 18.15.0
V8: 11.4.183.29-electron.0
OS: Windows_NT x64 10.0.22631
object Form1: TForm1
CSSLibrary = cssBootstrap
Color = clWhite
ElementFont = efCSS
Font.Charset = ANSI_CHARSET
Font.Color = clBlack
Font.Height = -11
Font.Name = 'Arial'
Font.Size = 8
Font.Style =
FormStyle = fsNormal
Height = 306
Left = 0
TabOrder = 0
Top = 0
Width = 410
object WebHTMLContainer1: TWebHTMLContainer
Font.Charset = ANSI_CHARSET
Font.Color = clBlack
Font.Height = -11
Font.Name = 'Arial'
Font.Size = 8
Font.Style =
HTML.Strings = (
'test'
)
Height = 192
Left = 75
ScrollStyle = ssBoth
Top = 58
Width = 264
end
end