After entering MAX200, check the confirmation screen and save the displayed bonus amount and currency. The code is required to activate the registration bonus. If the bonus is missing, do not deposit to test it. Save a screenshot and ask official support to clarify. The guide reference is up to EUR 100; local display may vary. 18+ only; set a spending limit.
When the code is accepted but the bonus is missing
Separate evidence of code entry from evidence that a bonus notice appeared.
Save the confirmation showing that MAX200 was entered.
Check the account for the actual amount and currency, without assuming a PLN conversion.
Capture a screenshot of any missing or different notice.
Give official support the registration time and both screens. Do not make a deposit only to test the display.