Failed to deserialize variant

[mlawand]

i get this error when i try to run the sample application

message: "{"code":500,"message":"Internal Service Error","error":{"code":3120010,"name":"packed_transaction_type_exception","what":"Invalid packed transaction","details":[{"message":"Invalid packed transaction","file":"chain_plugin.cpp","line_number":432,"method":"push_transaction"},{"message":"pivot != std::string::npos: No delimiter in string, cannot determine type: EOSKYLnPtagGZ5SLmhErpqHcmLHXTQtVmPbv3wMc1rq8mvvTTypMoYMnwNYSxEG1jUW8KqXS9fkhwtAofZCpfXf6rSUXvD53R","file":"signature.cpp","line_number":20,"method":"parse_base58"},{"message":"Failed to deserialize variant","file":"abi_serializer.hpp","line_number":444,"method":"from_variant"}]}}"