Combining multiple spreadsheets in one using IMPORTRANGE

Question

I would like to aggregate the data of multiple spreadsheets into one spreadsheet.

• Spreadsheet 1 has a Row of Strings A2:A500
• Spreadsheet 2 has a Row of St

Answer 1

I am also applying above given formula for getting data from multiple spreadsheet which is getting an error something is like IN ARRAY_LITERAL An array literal was missing values for one or more rows.