rror: {error,
 {exception,error,
 {badrpc,
 {'EXIT',
 case_clause,{error,'Function not implemented',
 [{storage_file_ctx,stat,1,
 [
{file, "/build/op-worker-uraGzZ/op-worker-20.02.3/_build/package/lib/op_worker/src/modules/storage/file/storage_file_ctx.erl"}
 
 ,
 {line,168}]},
 {luma_auto_feed,
 acquire_default_posix_storage_credentials,2,
 [
 {file, "/build/op-worker-uraGzZ/op-worker-20.02.3/_build/package/lib/op_worker/src/modules/storage/luma/feeds/luma_auto_feed.erl"}
 
 ,
 {line,71}]},
 {luma_spaces_posix_storage_defaults,
 ensure_all_fields_are_defined,3,
 [
 {file, "/build/op-worker-uraGzZ/op-worker-20.02.3/_build/package/lib/op_worker/src/modules/storage/luma/db/tables/luma_spaces_posix_storage_defaults.erl"},
 {line,129}]},
 {luma_spaces_posix_storage_defaults,store,3, [\{file, "/build/op-worker-uraGzZ/op-worker-20.02.3/_build/package/lib/op_worker/src/modules/storage/luma/db/tables/luma_spaces_posix_storage_defaults.erl"}
 
 ,
 {line,50}]},
 {rpc_api,apply,2,
 [
 {file, "/build/op-worker-uraGzZ/op-worker-20.02.3/_build/package/lib/op_worker/src/utils/rpc_api.erl"}
 
 ,
 {line,125}]},
 
 {rpc,'handle_call_call/6-fun-0',5, [{file,"rpc.erl"}
 
 ,{line,197}]}]}}},
 []}}[E 2020-12-16 12:47:25.516 <0.9417.0>] Action op_worker:add_default_posix_credentials failed due to: {service_op_worker,
 add_default_posix_credentials,
 {[],
 [{'onepanel@one-citask.onedata.plgrid.pl',
 {error,
 {exception,
 error,
 {badrpc,
 {'EXIT',
 {{case_clause,
 {error,
 'Function not implemented'}},
 [{storage_file_ctx,
 stat,
 1,
 [
 {file, "/build/op-worker-uraGzZ/op-worker-20.02.3/_build/package/lib/op_worker/src/modules/storage/file/storage_file_ctx.erl"}
,
{line, 168}
]},
 {luma_auto_feed,
 acquire_default_posix_storage_credentials,
 2,
 [
{file, "/build/op-worker-uraGzZ/op-worker-20.02.3/_build/package/lib/op_worker/src/modules/storage/luma/feeds/luma_auto_feed.erl"}
,
{line, 71}
]},
 {luma_spaces_posix_storage_defaults,
 ensure_all_fields_are_defined,
 3,
 [
{file, "/build/op-worker-uraGzZ/op-worker-20.02.3/_build/package/lib/op_worker/src/modules/storage/luma/db/tables/luma_spaces_posix_storage_defaults.erl"}
,
 {line, 129}]},
{luma_spaces_posix_storage_defaults, store, 3, [\{file, "/build/op-worker-uraGzZ/op-worker-20.02.3/_build/package/lib/op_worker/src/modules/storage/luma/db/tables/luma_spaces_posix_storage_defaults.erl"}
,
{line, 50}
]},
 {rpc_api,
 apply,
 ...