yeah i have this as well for me its the missiles that don't make a sound but just shake the screen

and one of the bombs dose this error [GBombs 5 Base [USE AT OWN RISK VERY OP] [BACK DOORS REMOVED]] lua/entities/gb5_light_b_c2.lua:82: bad argument #2 to 'EmitSound' (number expected, got userdata)
1. EmitSound - [C]:-1
2. Explode - lua/entities/gb5_light_b_c2.lua:82
3. unknown - lua/entities/gb5_base_advanced.lua:269

Timer Failed! [Simple][@lua/entities/gb5_base_advanced.lua (line 266)]

[GBombs 5 Base [USE AT OWN RISK VERY OP] [BACK DOORS REMOVED]] lua/entities/gb5_light_b_c2.lua:82: bad argument #2 to 'EmitSound' (number expected, got userdata)
1. EmitSound - [C]:-1
2. Explode - lua/entities/gb5_light_b_c2.lua:82
3. unknown - lua/entities/gb5_base_advanced.lua:269

Timer Failed! [Simple][@lua/entities/gb5_base_advanced.lua (line 266)]

for me it's [GBombs 5 Base [USE AT OWN RISK VERY OP] [BACK DOORS REMOVED]] bad argument #3 to 'Add' (function expected, got nil)
1. Add - lua/includes/modules/hook.lua:31
2. unknown - lua/autorun/gb5_help.lua:16