"MDL-14129, add lang string"

lang/en_utf8/lesson.php

@@ -33,6 +33,9 @@
 $string['averagetime'] = 'Average time';
 $string['branchtable'] = 'Branch Table';
 $string['cannotfindanswer'] = 'Cannot find answer';
+$string['cannotfindattempt'] = 'Error: could not find attempt';
+$string['cannotfindessay'] = 'Error: could not find essay';
+$string['cannotupdateessayscore'] = 'Could not update essay score';
 $string['cannotfindfirstpage'] = 'Could not find first page';
 $string['cannotfindfirstgrade'] = 'Error: could not find grades';
 $string['cannotfindgrade'] = 'Could not find Grade Records';
@@ -44,6 +47,10 @@
 $string['cannotfindnewestgrade'] = 'Error: could not find newest grade';
 $string['cannotfindnextpage'] = 'Lesson Backup: Next page not found!';
 $string['cannotfindtimer'] = 'Error: could not find lesson_timer records';
+$string['cannotfindanswer'] = 'Error: could not find answer';
+$string['cannotfindgrade'] = 'Error: could not find grades';
+$string['cannotfindrecords'] = 'Error: could not find lesson records';
+$string['cannotfinduser'] =  'Error: could not find users';
 $string['cannotdeleteanswer'] = 'Update page: unable to delete answer record';
 $string['cannotdeleteattempt'] = 'Error: could not delete old attempts';
 $string['cannotdeletebranch'] = 'Error: could not delete old seen branches';
@@ -146,6 +153,9 @@
 $string['importppt'] = 'Import PowerPoint';
 $string['importquestions'] = 'Import questions';
 $string['insertedpage'] = 'Inserted page';
+$string['invalidid'] = 'No course module ID or lesson ID were passed';
+$string['invalidlessonid'] = 'lesson ID was incorrect';
+$string['invalidpageid'] = 'Invalid Page ID';
 $string['jump'] = 'Jump';
 $string['jumps'] = 'Jumps';
 $string['jumpsto'] = 'Jumps to <em>$a</em>';
@@ -244,6 +254,8 @@
 $string['pointsearned'] = 'Points earned';
 $string['postsuccess'] = 'Post successful';
 $string['practice'] = 'Practice lesson';
+$string['preprocesserror'] = 'Error occurred during pre-processing!';
+$string['processerror'] = 'Error occurred during processing!';
 $string['preview'] = 'Preview';
 $string['previewlesson'] = 'Preview $a';
 $string['previouspage'] = 'Previous page';