Error when create ai cover

[Hyllite]

Traceback (most recent call last):
File "/content/AICoverGen/src/main.py", line 291, in song_cover_pipeline
voice_change(voice_model, main_vocals_dereverb_path, ai_vocals_path, pitch_change, f0_method, index_rate, filter_radius, rms_mix_rate, protect, crepe_hop_length, is_webui)
File "/content/AICoverGen/src/main.py", line 201, in voice_change
rvc_infer(rvc_index_path, index_rate, vocals_path, output_path, pitch_change, f0_method, cpt, version, net_g, filter_radius, tgt_sr, rms_mix_rate, protect, crepe_hop_length, vc, hubert_model)
File "/content/AICoverGen/src/rvc.py", line 150, in rvc_infer
audio_opt = vc.pipeline(hubert_model, net_g, 0, audio, input_path, times, pitch_change, f0_method, index_path, index_rate, if_f0, filter_radius, tgt_sr, 0, rms_mix_rate, version, protect, crepe_hop_length)
File "/content/AICoverGen/src/vc_infer_pipeline.py", line 571, in pipeline
self.vc(
File "/content/AICoverGen/src/vc_infer_pipeline.py", line 424, in vc
npy = np.sum(big_npy[ix] * np.expand_dims(weight, axis=2), axis=1)
IndexError: index -1 is out of bounds for axis 0 with size 0

[MinatoIsuki]

The value filter_radius is currrently -1. The only value that is accepted is between 0 to 7.
I might be wrong though, but I think that is the error.