Microsoft have been running an Azure Support Offer through FY24 where Azure customers get 6 months of free Azure support but this ends June 30th, 2024 and will not be renewed. If you took up this offer within the last 6 months, you lose access on that date too:
“The 6-month period begins on the date that the agreement is signed or renewed and ends on the date of 6 months after the agreement is signed or renewed, or June 30th, 2024, whichever comes first.”
Should you wish to continue with tech support above the free Basic plan from July 1st, 2024 you will need to buy a support plan:
Cloudy with a chance of Licensing 