Error process failed, error collecting matrices

[mirrorbbo]

QGIS Desktop 3.34.0

ERROR.txt

Error:

INFO|2025-07-19T20:38:16.782|system_tools|get_system_info|38|version:0.5.1; system: Windows; 64bit: True; n_processes: 2; ram: 1802; temp.dir: C:/Users/Reyla/AppData/Local/Temp/semiautomatic_classification\remotior_sensus_071930vfar6s
INFO|2025-07-19T20:38:17.102|bandset_catalog|create|745|start
INFO|2025-07-19T20:38:17.102|bandset_catalog|create|751|end
INFO|2025-07-19T20:38:17.103|semiautomaticclassificationplugin|init|411|SCP Version 8.5.0 - Infinity; QGIS v. 33400; L: en; OS: Windows; python: C:\PROGRA1\QGIS331.3\apps\Python39\pythonw.exe; remotior sensus: 0.5.1; environment: None
INFO|2025-07-19T20:38:17.181|session|set|442|n_processes: 2; ram: 1802; temp.dir: C:/Users/Reyla/AppData/Local/Temp/semiautomatic_classification\remotior_sensus_071930vfar6s
INFO|2025-07-19T20:38:56.345|bandset_tab|add_loaded_band_to_bandset|297|add_loaded_band_to_bandset
INFO|2025-07-19T20:39:01.293|bandset_catalog|create|745|start
INFO|2025-07-19T20:39:01.305|bandset_catalog|create|979|end; file list: ['C:/Users/Reyla/Documents/QGIS/2017-LANDSAT8/CLIPPED/clip_LC08_L2SP_116050_20170420_20200904_02_T1_SR_B1.vrt', 'C:/Users/Reyla/Documents/QGIS/2017-LANDSAT8/CLIPPED/clip_LC08_L2SP_116050_20170420_20200904_02_T1_SR_B2.vrt', 'C:/Users/Reyla/Documents/QGIS/2017-LANDSAT8/CLIPPED/clip_LC08_L2SP_116050_20170420_20200904_02_T1_SR_B3.vrt', 'C:/Users/Reyla/Documents/QGIS/2017-LANDSAT8/CLIPPED/clip_LC08_L2SP_116050_20170420_20200904_02_T1_SR_B4.vrt', 'C:/Users/Reyla/Documents/QGIS/2017-LANDSAT8/CLIPPED/clip_LC08_L2SP_116050_20170420_20200904_02_T1_SR_B5.vrt', 'C:/Users/Reyla/Documents/QGIS/2017-LANDSAT8/CLIPPED/clip_LC08_L2SP_116050_20170420_20200904_02_T1_SR_B6.vrt', 'C:/Users/Reyla/Documents/QGIS/2017-LANDSAT8/CLIPPED/clip_LC08_L2SP_116050_20170420_20200904_02_T1_SR_B7.vrt']
INFO|2025-07-19T20:39:25.859|classification_tab|run_classifier|212|run_classifier: C:/Users/Reyla/Documents/QGIS/2017-LANDSAT8/CLASSIFIED-TIFF/2017-CLASSIFIED-SAM.tif
INFO|2025-07-19T20:39:37.096|scp_dock|open_signature_catalog_file|2560|open_signature_catalog_file: C:/Users/Reyla/Documents/QGIS/2017-LANDSAT8/TRAINING/2017-TRAINING-INPUT.scpx
INFO|2025-07-19T20:39:55.007|classification_tab|run_classifier|212|run_classifier: C:/Users/Reyla/Documents/QGIS/2017-LANDSAT8/CLASSIFIED-TIFF/2017-CLASSIFIED-SAM.tif
INFO|2025-07-19T20:39:55.046|band_classification|band_classification|1282|start
ERROR|2025-07-19T20:39:56.105|multiprocess_manager|run_iterative_process|2274|error multiprocess: 'NoneType' object has no attribute 'CreateDataSource'
ERROR|2025-07-19T20:39:56.233|multiprocess_manager|multiprocess_roi_arrays|1934|unable to process
ERROR|2025-07-19T20:39:56.233|band_classification|band_classification|1340|error collecting matrices

[semiautomaticgit]

Hello @mirrorbbo , the error could be related to input data.
It seems that you are using virtual bands as input.
Could you please check if it works with .tif bands?