Hi, JUst running a TopHat job which returned the following error: Executing: /gpfs/cluster/isys/galaxy/Software/bin/bowtie-inspect /local/tmp5Ywx45/dataset_942 > ./tophat_out/tmp/dataset_942.fa [Tue Mar 13 12:45:08 2012] Checking for Bowtie Bowtie version: 0.12.7.0 [Tue Mar 13 12:45:08 2012] Checking for Samtools Samtools Version: 0.1.18 [Tue Mar 13 12:45:08 2012] Generating SAM header for /local/tmp5Ywx45/dataset_942 format: fastq quality scale: phred33 (default) [Tue Mar 13 12:45:21 2012] Preparing reads left reads: min. length=56, count=29523921 right reads: min. length=56, count=29543412 [Tue Mar 13 13:07:54 2012] Mapping left_kept_reads against dataset_942 with Bowtie [Tue Mar 13 13:45:26 2012] Processing bowtie hits [Tue Mar 13 14:11:28 2012] Mapping left_kept_reads_seg1 against dataset_942 with Bowtie (1/2) [Tue Mar 13 14:43:27 2012] Mapping left_kept_reads_seg2 against dataset_942 with Bowtie (2/2) [Tue Mar 13 14:57:50 2012] Mapping right_kept_reads against dataset_942 with Bowtie [Tue Mar 13 15:37:46 2012] Processing bowtie hits [Tue Mar 13 16:04:28 2012] Mapping right_kept_reads_seg1 against dataset_942 with Bowtie (1/2) [Tue Mar 13 16:37:18 2012] Mapping right_kept_reads_seg2 against dataset_942 with Bowtie (2/2) [Tue Mar 13 16:50:40 2012] Searching for junctions via segment mapping Traceback (most recent call last): File "/gpfs/cluster/isys/galaxy/Software/bin/tophat", line 3063, in <module> sys.exit(main()) File "/gpfs/cluster/isys/galaxy/Software/bin/tophat", line 3029, in main user_supplied_deletions) File "/gpfs/cluster/isys/galaxy/Software/bin/tophat", line 2681, in spliced_alignment [maps[initial_reads[left_reads]].unspliced_bwt, maps[initial_reads[left_reads]].seg_maps[-1]], TypeError: list indices must be integers, not str Does anyone know what this kind of error is? Best Wishes, David. __________________________________ Dr David A. Matthews Senior Lecturer in Virology Room E49 Department of Cellular and Molecular Medicine, School of Medical Sciences University Walk, University of Bristol Bristol. BS8 1TD U.K. Tel. +44 117 3312058 Fax. +44 117 3312091 D.A.Matthews@bristol.ac.uk