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Reference

 

OutSystems

Invalid Theme Warning

Message
The 'Layout' layout of the '<theme_name>' theme must have placeholders named 'Title' and 'MainContent'.
Cause
To set a web block as Layout of a theme, that web block needs to have two placeholders named 'Title' and 'MainContent'.
Recommendation
Change the web block to have the 'Title' and 'MainContent' placeholders, or change the theme Layout property to use a web block that already has these placeholders.

Message
The '<Info Balloon/Pop-up Editor/Email>' layout of '<theme_name>' theme must have a placeholder named 'MainContent'.
Cause
To set a web block as Info Balloon, Pop-up Editor, or Email layout of a theme, that web block needs to have a placeholder named 'MainContent'.
Recommendation
Change the web block to have the 'MainContent' placeholder, or change the theme to use a web block that already has this placeholder.

Message
The '<web block>' is not a valid theme Menu.
Cause
To set a web block as Menu layout of a theme, that web block needs to comply with several requirements.
Recommendation
Edit the web block and design it to comply with the requirements of a Menu Layout or choose another web block. Refer to the existing themes to check the necessary input parameters and entities that should be used in a Menu web block.
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