I have received your letter yesterday. Correct Tense

Where you left your bag yesterday?

Directions : In the following questions, some parts of the sentences have errors and some are correct. Find out which part of a sentence has an error. The number of that part is the answer. If a sentence is free from error, then your answer is (4), i.e., No error. I have got your letter yesterday (1)/ and felt happy to learn (2)/ of your recovery. (3)/ No error.