I have many errors in synthesis with vivado 2014.3.1
Synthesis Failed) I need help ...
[IP_Flow 19-993] Could not find IP file for IP 'elink_testbench_axi_traffic_controller_0_0'.
[IP_Flow 19-993] Could not find IP file for IP 'elink_testbench_axi_protocol_converter_0_0'.
[IP_Flow 19-993] Could not find IP file for IP 'elink_testbench_axi_protocol_converter_0_1'.
[IP_Flow 19-993] Could not find IP file for IP 'elink_testbench_axi_protocol_converter_0_2'.
[IP_Flow 19-993] Could not find IP file for IP 'elink_testbench_axi_traffic_controller_0_1'.
[IP_Flow 19-993] Could not find IP file for IP 'elink_testbench_axi_traffic_controller_1_0'.