Install plugin set, create course, go to course's question bank.
Click Create a new question ..., select Variable numeric set with units and click Add.
Set:
Question name.
Question text.
Answer 1:
15, +/-: 1, Grade: 100%
Unit 1:
match('cm')
Grade: 100%
Click Save changes.
Expected results
The question is saved.
Actual results
Whoops\Exception\ErrorException thrown with message "Undefined array key "text""
Stacktrace:
#4 Whoops\Exception\ErrorException in /var/www/moodle/question/type/varnumunit/questiontype.php:121
#3 default_error_handler in /var/www/moodle/question/type/varnumunit/questiontype.php:121
#2 qtype_varnumunit:save_units in /var/www/moodle/question/type/varnumunit/questiontype.php:205
#1 qtype_varnumunit:save_question_options in /var/www/moodle/question/type/questiontypebase.php:538
#0 question_type:save_question in /var/www/moodle/question/bank/editquestion/question.php:294
Steps to reproduce issue
Expected results
The question is saved.
Actual results