Everytime I start a new map I get this error:

[gmDoom] lua/effects/doom_blood.lua:1: '=' expected near '%'
1. unknown - lua/effects/doom_blood.lua:0


[gmDoom] lua/effects/doom_puff.lua:1: '=' expected near '<'
1. unknown - lua/effects/doom_puff.lua:0


[gmDoom] lua/effects/doom_smoke.lua:1: '=' expected near '<eof>'
1. unknown - lua/effects/doom_smoke.lua:0


[gmDoom] lua/effects/doom_tfog.lua:1: malformed number near '9z??޼??'
1. unknown - lua/effects/doom_tfog.lua:0