Add Indexes error and techjoomla is not defined

Hello:

when i install Shika and

2.Go to the Shika Dashboard and look for the Add Indexes button in the top left corner. This is for improving performance of the database. Click on the same. You should see a success message.

it show below message

1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'IGNORE TABLE `#__tmt_tests_questions` ADD UNIQUE unique_test_question (test_i' at line 1


and

i try to add Course
at frontend i click Launch it not work

i see in console
it show

Uncaught ReferenceError: techjoomla is not defined
at excel-初階.html:831

and

excel-初階.html:697 Uncaught ReferenceError: open_lessonforattempt is not defined
at HTMLButtonElement.onclick (excel-初階.html:697)



please help

thank you