Unhandled incoming opcode

[Ropethunder]

Is this an error that I should be worried about? I saw this in my zone output

[Debug] [INVENTORY__SLOTS] Kiic: Src slot 27 has item Spell: Siphon Strength (15343) with 1 charges in it.
[Debug] [INVENTORY__SLOTS] Kiic: Moving entire item from slot 27 to slot 30
[Debug] DeleteItemInInventory(30, 0, false)
[Debug] [INVENTORY__SLOTS] Kiic: Src slot 28 has item Spell: Lifetap* (9989) with 1 charges in it.
[Debug] [INVENTORY__SLOTS] Kiic: Moving entire item from slot 28 to slot 30
[Debug] DeleteItemInInventory(30, 0, false)
[Debug] [INVENTORY__SLOTS] Kiic: Src slot 26 has item Dagger* (9997) with 1 charges in it.
[Debug] [INVENTORY__SLOTS] Kiic: Moving entire item from slot 26 to slot 30
[Debug] [INVENTORY__SLOTS] Kiic: Src slot 30 has item Dagger* (9997) with 1 charges in it.
[Debug] [INVENTORY__SLOTS] Kiic: Moving entire item from slot 30 to slot 13
[Debug] [CLIENT__NET_ERR] Kiic: Unhandled incoming opcode: [OpCode OP_WeaponEquip2 (0x63da) Size=8] 0: 02 00 00 00 40 00 00 00 | ....@...
[Debug] [CLIENT__NET_ERR] Kiic: Unhandled incoming opcode: [OpCode OP_WeaponEquip1 (0x6c5e) Size=12] 0: 02 00 00 00 00 00 00 00 - 00 00 00 00 | ............
[Debug] [INVENTORY__SLOTS] Kiic: Src slot 13 has item Dagger* (9997) with 1 charges in it.
[Debug] [INVENTORY__SLOTS] Kiic: Moving entire item from slot 13 to slot 30
[Debug] [CLIENT__NET_ERR] Kiic: Unhandled incoming opcode: [OpCode OP_WeaponUnequip2 (0x381d) Size=8] 0: 02 00 00 00 40 00 00 00 | ....@...
[Debug] [CLIENT__NET_ERR] Kiic: Unhandled incoming opcode: [OpCode OP_WeaponEquip1 (0x6c5e) Size=12] 0: 02 00 00 00 00 00 00 00 - FF FF FF FF | ............
[Debug] [INVENTORY__SLOTS] Kiic: Src slot 30 has item Dagger* (9997) with 1 charges in it.
[Debug] [INVENTORY__SLOTS] Kiic: Moving entire item from slot 30 to slot 13
[Debug] [CLIENT__NET_ERR] Kiic: Unhandled incoming opcode: [OpCode OP_WeaponEquip2 (0x63da) Size=8] 0: 02 00 00 00 40 00 00 00 | ....@...
[Debug] [CLIENT__NET_ERR] Kiic: Unhandled incoming opcode: [OpCode OP_WeaponEquip1 (0x6c5e) Size=12] 0: 02 00 00 00 00 00 00 00 - 00 00 00 00 | ............
[Debug] Zone request from Kiic