This article explains why your app has empty placeholders or markers.
The columns are not included in the datasource range
The datasource range does not automatically update if you add new columns. Click the Update app button to apply your changes.
Include all required columns in the datasource range.
Incorrect {{markers}} are used
There can be several problems with markers:
- {{markers}} used in your template must be exactly the same as the column header they reference
- {{markers}} are space and case sensitive (for example, {{My photos}} is different from {{myPhoto}} or {{my photos}}). Learn more: Use markers in your HTML template.
The second row is hidden in the datasheet
This is how the app looks when the second row is hidden.
To fix this, select the first and third rows, right-click and select Unhide rows to display the second row.
All the images and other {{markers}} are displayed properly after unhiding the second row.
Relevant columns were not specified in the Query field
Add the columns in the Query field. Learn more: Use Queries to show records based on conditions.
Include all relevant columns in the Query field.
Missing in the Query field: column A (Title) and column D (image):
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