If you read back through timelines etc, Home office send two types combined Approval/ Ceremony letter and approval and separate invite. Pointless I know. i have receive first letter on 7 March 2018 I have read a letter again. on a letter saying , I am please to say the application has been successf...

I have received first letter say that my application is was successful and i will receive ceremonies invitation in 3 weeks. I have wait for 5 week now. I am very worry

since it's been almost 5 weeks I Still not yet receive the Citizenship ceremony invitation, in the letter said that I should be receiving a an ceremony invitation within next 3 weeks, I still yet to receive any invitation.
please help.