For Spanish check folders exist:
1. Engine TTS
iGO_Israel/tts_nua_ve1/spe
2. Voice TTS (it's will be set in the settings)
iGO_Israel/content/voice/Voice_TTS-nua-esp-f1-lua-full-155mrf22.zip
3. VR files
iGO_Israel/content/vr/040a_freetextlua.vfb
iGO_Israel/content/vr_vde/_ESP_040a_SPE.vf1