Was caused by DRW_mesh_batch_cache_get_edituv_faces_stretch_area called after DRW_mesh_batch_cache_create_requested. So it was created on the wrong object/mesh.
Was caused by DRW_mesh_batch_cache_get_edituv_faces_stretch_area called after DRW_mesh_batch_cache_create_requested. So it was created on the wrong object/mesh.