If MAX200 is rejected, retype it without extra spaces and check whether the registration form has already been submitted. The code is required to activate the registration bonus. Do not deposit repeatedly or create another account to troubleshoot. Save the error message and contact official support. The guide reference is up to EUR 100; local display may vary. 18+ only; do not chase losses.
Classify the rejection before trying again
The words in the error message help distinguish a typing problem from an account-specific issue.
Check the spelling of MAX200 and remove any leading or trailing spaces.
Note whether the error appeared in the form or only after you submitted it.
Save the message and the time; avoid submitting multiple new registrations.
Ask official support to check the account and quote the exact error text. Do not deposit to test whether the code worked.