That is not an error ...

In the Configuration ... Logging ... is a setting to show how long each page takes to load regarding the page and database ... this helps identify where problems might be ...

By default, this setting is usually off ... your have the setting turned on ... look for this and change the setting:
Display The Page Parse Time
Display the page parse time on the bottom of each page
You do not need to store the times to display them in the Catalog