Please check that there is not a filter set on one of the columns - the funnel icon would be yellow if there is one set.
If there is a filter set, clear the filter and the rows should appear.
To clear the filter for Text fields:
Select the field where the filter is set
Click on the hamburger menu
Click the Clear option
To clear the filter for Calendar fields,
Select the field where the filter is set
Click on the hamburger menu
Select Between
Click the icon on the right hand side of the first field
Enter a dummy date (e.g. 01/01/2024)
Click on the next field
Click the icon on the right hand side of the next field
Enter a dummy date (e.g. 31/07/2024)
Click Apply Filter
Repeat the steps for both dates, but this time choose the Clear option
Click Apply Filter