So many codes on my 2000 986 project car. Any idea of possible root cause?

[DKGray]

Is anyone able to tell me if there might be a root cause for all of these:
DME fault codes?
P0139 02sensor ageing behind cat c, bank 1
P1128 Oxygen sensing adaptation, idele range, bank 1
P1130 Oxygen sensing adaptation ideal range, bank 2
P1126 Oxygen sensing adaption, lower load range, bank 1
P1133 Oxygen sensing adaption, lower load range, bank 2
P1117 Refer to service manual
P1119 Refer to service manual
P0446 Shutoff valve, activated charcoal filter (function)

HBA Control system
1 Engine path left
2 Engine path right