ORA Database Error Messages ORA-13624: The task string is executing and cannot be deleted or modified August 13, 2015 mpbod ORA-13624: The task string is executing and cannot be deleted or modified Cause: The user attempted to access a task that currently executing. Action: Wait for the task to complete and retry the operation. Back to previous menu 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)