There are no styles/styles are missing in either the Character Styles/Paragraph Styles tabs
SOLUTION A (A quick fix when only one or two styles are needed)
Create a new file by pressing CTRL + N
Type in any word, highlight it, and click on the paragraph style/character style needed for the original file
Copy the word into the original file; the style will then appear in the tab
SOLUTION B (When none of the styles is listed)
Click on the arrow and four lines on the top right corner of theĀ either the Character Styles/Paragraph Styles tabs
Press "Load All Text Styles..."
Go to the Daily Paper folder and double-click on Daily Styles
Press "Check All" and "OK"