diff --git a/src/Error.cpp b/src/Error.cpp
index a7111fe..76c7740 100644
--- a/src/Error.cpp
+++ b/src/Error.cpp
@@ -144,6 +144,9 @@ const std::vector<ErrorType> ts::avariableErrors = {
         define_error_description(file_api_timeout, "the file API call has been timed out"),
         define_error_description(file_virtual_server_not_registered, "the file server does not know our virtual server"),
 
+        define_error_description(file_server_transfer_limit_reached, "the file server reached his max concurrent transfers limit"),
+        define_error_description(file_client_transfer_limit_reached, "you reached your max concurrent transfers limit"),
+
         {0x0A08, "server_insufficeient_permissions"     , "insufficient client permissions"                            },
 
         {0x0B01, "accounting_slot_limit_reached"        , "max slot limit reached"                                     },