ORA Database Error Messages ORA-01844: week of year must be between 1 and 52 June 11, 2015 mpbod ORA-01844: week of year must be between 1 and 52 Cause: An invalid value was specified for the week of the year in a date. Week of the year (WW) must be between 1 and 52. Action: Enter a week of the year value between 1 and 52. Back to previous menu https://support.oracle.com/ http://www.oracle.com/ Share this:Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pocket (Opens in new window)