thanks but it still gives the same error [E::idx_find_and_load] Could not retrieve index file for '/mnt/d/RNA-SEQ/SRR13532540/SRR13532540sorted.bam'
100000 GFF lines processed.and continue to process. and i have just samools my bam file and get the bai file.
OK EHHHH.thanks [E::idx_find_and_load] problem solved。however,a new warning
emerging as Warning: Mate records missing for 271194 records; first such record: <SAM_Alignment object: Paired-end read 'SRR13532541.sra.16922818' aligned to chr1:[14722,14823)/+>.
22700000 alignment record pairs processed.
22800000 alignment record pairs processed.
22888742 alignment pairs processed.
can u advise?