In the Intel® Quartus® Prime Pro edition software version 20.3, you may see this problem when adding the Avalon® Streaming Credit Source BFM.
Error: test_avst_credit_src_bfm_0: b>add_instance: Component altera_avalon_st_source_bfm version 19.1 is not installed. Please modify the IP Search Path to include the component.
while executing
"add_instance avst_src altera_avalon_st_source_bfm 19.1"
(procedure "compose" line 92)
invoked from within
"compose"
This problem is fixed starting with the Intel® Quartus® Prime Pro Edition software version 20.4.