In reply to bmaassar:
I’m working sice 10 years in the OVM/UVM space and have mde numerous projects. I have heard or faced an issue withh the tlm_analysis fifo. I belive the error coms from omewhere else. I’d not rely on your approach
BTW if you want to check if there is an item you can use peek. This does not remove the item, but it is blocking until an item is available.