ERROR in batch_add_transcripts (UNIQUE constraint failed)

[sbresnahan]

Running TALON v6.0 with ONT reads (fastq) aligned to hg38 with minimap2, subset to chr1. TALON run succeeds up until it starts calling batch_add_transcripts, at which point it exits with errors:

[ 2024-09-22 02:19:46 ] : INFO : [talon.py:3110:listener] : Shutting down message queue...
[ 2024-09-22 02:19:46 ] : INFO : [talon.py:3226:main] : All jobs complete. Starting database update
[ 2024-09-22 02:19:46 ] : ERROR : [talon.py:2570:batch_add_transcripts] : UNIQUE constraint failed: transcripts.transcript_ID

What issues could trigger this error?