Traceback (most recent call last): File "/home/etienne/.local/share/QGIS/QGIS3/profiles/default/python/plugins/veloroutes_voies_vertes/processing/chargement/load_styles.py", line 75, in processAlgorithm manager.setRelations(manager.discoverRelations([], layers)) TypeError: index 0 has type 'QgsRasterLayer' but 'QgsVectorLayer' is expected