Yes, that is very common indeed!

The fact that it assembled without errors simply means that you have made no syntax errors in your source text - it doesn't say anything about whether the code will actually work or not!

It's like a spelling checker can tell you that your spellings are all correct, but can't tell you whether what you wrote actually makes any sense!

Your first step must be to re-read the code and look for any obvious mistakes.
Try working through it by hand, with pencil and paper, to check that what you wrote is actually what you wanted!

Run it in a simulator.

Debug it on the target hardware.