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  1. Moodle
  2. MDL-34631

dmlreadexception When clicking Registration link in Site Administration

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Minor
    • Resolution: Duplicate
    • Affects Version/s: 2.3.1
    • Fix Version/s: None
    • Component/s: Administration
    • Labels:
      None
    • Affected Branches:
      MOODLE_23_STABLE

      Description

      Debug info: Every derived table must have its own alias
      SELECT COUNT FROM (
      SELECT DISTINCT ue.userid, e.courseid
      FROM mdl_user_enrolments ue, mdl_enrol e, mdl_course c
      WHERE ue.enrolid = e.id
      AND e.courseid <> ?
      AND c.id = e.courseid
      AND c.visible = 1)
      [array (
      0 => '1',
      )]
      Error code: dmlreadexception
      Stack trace:

      line 407 of \lib\dml\moodle_database.php: dml_read_exception thrown
      line 945 of \lib\dml\mysqli_native_moodle_database.php: call to moodle_database->query_end()
      line 1346 of \lib\dml\moodle_database.php: call to mysqli_native_moodle_database->get_records_sql()
      line 1419 of \lib\dml\moodle_database.php: call to moodle_database->get_record_sql()
      line 1590 of \lib\dml\moodle_database.php: call to moodle_database->get_field_sql()
      line 4044 of \course\lib.php: call to moodle_database->count_records_sql()
      line 373 of \admin\registration\forms.php: call to average_number_of_participants()
      line 194 of \lib\formslib.php: call to site_registration_form->definition()
      line 61 of \admin\registration\register.php: call to moodleform->moodleform()

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              Assignee:
              rajeshtaneja Rajesh Taneja
              Reporter:
              azarl Roger Tomlinson
              Participants:
              Component watchers:
              Andrew Nicols, Jun Pataleta, Michael Hawkins, Shamim Rezaie, Simey Lameze
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              1 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved: