configuration with 1 virtual channel is not synthetizing

[LeFl0w]

When the top generic G_VC_NUM is set to 1 the IP is not synthetizing properlly

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14:03:09:info     |     Loading HDL
14:03:10:warning  |       /home/flo/temp/spacefibrelight/src/module_data_link/data_crc_check.vhd:80 => using initial value for 'indices' since it is never assigned
14:03:10:warning  |       /home/flo/temp/spacefibrelight/src/module_data_link/data_crc_check.vhd:81 => using initial value for 'indices_tier' since it is never assigned
14:03:10:warning  |       /home/flo/temp/spacefibrelight/src/module_data_link/data_crc_check.vhd:82 => using initial value for 'indices_dem' since it is never assigned
14:03:10:warning  |       /home/flo/temp/spacefibrelight/src/module_data_link/data_link_reset.vhd:157 => latch inferred for net 'NEAR_END_CAPA_DLRE[7]'
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/module_data_link/data_mac.vhd:291 => index value 1 is out of range 0 downto 0
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/module_data_link/data_mac.vhd:294 => index value 2 is out of range 0 downto 0
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/module_data_link/data_mac.vhd:297 => index value 3 is out of range 0 downto 0
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/module_data_link/data_mac.vhd:300 => index value 4 is out of range 0 downto 0
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/module_data_link/data_mac.vhd:303 => index value 5 is out of range 0 downto 0
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/module_data_link/data_mac.vhd:306 => index value 6 is out of range 0 downto 0
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/module_data_link/data_mac.vhd:309 => index value 7 is out of range 0 downto 0
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/module_data_link/data_encapsulation.vhd:124 => expression has 25 elements; expected 32
14:03:10:warning  |       /home/flo/temp/spacefibrelight/src/module_data_link/data_crc_compute.vhd:61 => using initial value for 'indices' since it is never assigned
14:03:10:warning  |       /home/flo/temp/spacefibrelight/src/module_data_link/data_crc_compute.vhd:62 => using initial value for 'indices_tier' since it is never assigned
14:03:10:warning  |       /home/flo/temp/spacefibrelight/src/module_data_link/data_crc_compute.vhd:63 => using initial value for 'indices_dem' since it is never assigned
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/ip_spacefibre_light_top/spacefibre_light_top_nano.vhd:713 => expression has 9 elements; formal 'pause_vc' expects 2
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/ip_spacefibre_light_top/spacefibre_light_top_nano.vhd:403 => formal port 'pause_vc' has no actual or default value
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/ip_spacefibre_light_top/spacefibre_light_top_nano.vhd:714 => expression has 8 elements; formal 'continuous_vc' expects 1
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/ip_spacefibre_light_top/spacefibre_light_top_nano.vhd:404 => formal port 'continuous_vc' has no actual or default value
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/ip_spacefibre_light_top/spacefibre_light_top_nano.vhd:723 => expression has 8 elements; formal 'seq_number_tx_dl' expects 1
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/ip_spacefibre_light_top/spacefibre_light_top_nano.vhd:413 => formal port 'seq_number_tx_dl' has no actual or default value
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/ip_spacefibre_light_top/spacefibre_light_top_nano.vhd:724 => expression has 8 elements; formal 'seq_number_rx_dl' expects 1
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/ip_spacefibre_light_top/spacefibre_light_top_nano.vhd:414 => formal port 'seq_number_rx_dl' has no actual or default value
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/ip_spacefibre_light_top/spacefibre_light_top_nano.vhd:745 => expression has 8 elements; formal 'current_time_slot_dl' expects 1
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/ip_spacefibre_light_top/spacefibre_light_top_nano.vhd:435 => formal port 'current_time_slot_dl' has no actual or default value
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/ip_spacefibre_light_top/spacefibre_light_top_nano.vhd:757 => expression has 8 elements; formal 'seq_number_tx' expects 1
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/ip_spacefibre_light_top/spacefibre_light_top_nano.vhd:758 => expression has 8 elements; formal 'seq_number_rx' expects 1
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/ip_spacefibre_light_top/spacefibre_light_top_nano.vhd:759 => expression has 8 elements; formal 'credit_vc' expects 1
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/ip_spacefibre_light_top/spacefibre_light_top_nano.vhd:761 => expression has 8 elements; formal 'fct_credit_overflow' expects 1
14:03:10:error    |       /home/flo/temp/spacefibrelight/src/ip_spacefibre_light_top/spacefibre_light_top_nano.vhd:779 => expression has 8 elements; formal 'current_time_slot' expects 1
14:03:10:info     |       Loading failed in 412 milliseconds

in some place (like top) value 8 was replaced by G_VC_NUM (which is easy to correct) but in some other case G_VC_NUM was used insead of the right value...