On View survey initially:

Notice: Trying to get property of non-object in
/oci/openlearn-wwwrootacct/mod/questionnaire/locallib.php on line 536

ERROR: invalid input syntax for integer: ""

SELECT * FROM mdl_user WHERE id = ''
line 779 of lib/dmllib.php: call to debugging()
line 576 of lib/dmllib.php: call to get_recordset_sql()
line 516 of lib/dmllib.php: call to get_record_sql()
line 739 of mod/questionnaire/locallib.php: call to get_record()
line 712 of mod/questionnaire/locallib.php: call to
questionnaire->print_survey_start()
line 667 of mod/questionnaire/locallib.php: call to
questionnaire->survey_render()
line 266 of mod/questionnaire/locallib.php: call to
questionnaire->print_survey()
line 52 of mod/questionnaire/view.php: call to questionnaire->view()

Notice: Undefined variable: resp in
/oci/openlearn-wwwrootacct/mod/questionnaire/locallib.php on line 746

Notice: Trying to get property of non-object in
/oci/openlearn-wwwrootacct/mod/questionnaire/locallib.php on line 746

On submit survey:

Notice: Undefined variable: message in /oci/openlearn-wwwrootacct/mod/questionnaire/locallib.php on line 1394

On clicking All responses button:

ERROR: column "qc.content" must appear in the GROUP BY clause or be used in an aggregate function

SELECT qc.id, qc.content, COUNT(rt.response_id) AS num FROM mdl_questionnaire_question_choice qc, mdl_questionnaire_response_single rt WHERE qc.question_id=5467 AND qc.content NOT LIKE '!other%' AND rt.question_id=qc.question_id AND rt.choice_id=qc.id AND response_id IN (455) GROUP BY qc.id

line 779 of lib/dmllib.php: call to debugging()
line 1020 of lib/dmllib.php: call to get_recordset_sql()
line 506 of mod/questionnaire/questiontypes/questiontypes.class.php: call to get_records_sql()
line 720 of mod/questionnaire/questiontypes/questiontypes.class.php: call to questionnaire_question->get_response_single_results()
line 627 of mod/questionnaire/questiontypes/questiontypes.class.php: call to questionnaire_question->display_response_single_results()
line 2376 of mod/questionnaire/locallib.php: call to questionnaire_question->display_results()
line 50 of mod/questionnaire/results.inc: call to questionnaire->survey_results()
line 343 of mod/questionnaire/report.php: call to include()

View by Response

ERROR: invalid input syntax for integer: "Anonymous"

SELECT * FROM mdl_user WHERE id = 'Anonymous'

line 779 of lib/dmllib.php: call to debugging()
line 576 of lib/dmllib.php: call to get_recordset_sql()
line 516 of lib/dmllib.php: call to get_record_sql()
line 2105 of mod/questionnaire/locallib.php: call to get_record()
line 28 of mod/questionnaire/results.inc: call to questionnaire->survey_results_navbar()
line 343 of mod/questionnaire/report.php: call to include()

Plus the same issue at lines 2096 and 739